| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2013-05-17 01:00:46 UTC |
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| Update Date | 2023-02-21 17:29:58 UTC |
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| HMDB ID | HMDB0060412 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 6-Methylmercaptopurine |
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| Description | 6-Methylmercaptopurine, also known as thiopurine S-methylether, belongs to the class of organic compounds known as 6-thiopurines. 6-thiopurines are compounds containing a purine that carries a thiol group at the 6-position. Purine is a bicyclic aromatic compound made up of a pyrimidine ring fused to an imidazole ring. It is a thiopurine. 6-Methylmercaptopurine is a metabolite of mercaptopurine. 6-Methylmercaptopurine is a strong basic compound (based on its pKa). Mercaptopurine (also called 6-mercaptopurine, 6-MP or its brand name Purinethol) is an immunosuppressive drug. 6-Methylmercaptopurine exists in all living organisms, ranging from bacteria to humans. S-adenosylhomocysteine and 6-methylmercaptopurine can be biosynthesized from mercaptopurine and S-adenosylmethionine through the action of the enzyme thiopurine S-methyltransferase. In humans, 6-methylmercaptopurine is involved in mercaptopurine metabolism pathway. |
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| Structure | InChI=1S/C6H6N4S/c1-11-6-4-5(8-2-7-4)9-3-10-6/h2-3H,1H3,(H,7,8,9,10) |
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| Synonyms | | Value | Source |
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| Thiopurine S-methylether | ChEBI | | Methylmercaptopurine | HMDB | | 6-Methylmercaptopurine | ChEBI | | 6-Methylthiopurine | MeSH |
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| Chemical Formula | C6H6N4S |
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| Average Molecular Weight | 166.204 |
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| Monoisotopic Molecular Weight | 166.031316902 |
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| IUPAC Name | 6-(methylsulfanyl)-9H-purine |
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| Traditional Name | 6-methylthiopurine |
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| CAS Registry Number | Not Available |
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| SMILES | CSC1=NC=NC2=C1N=CN2 |
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| InChI Identifier | InChI=1S/C6H6N4S/c1-11-6-4-5(8-2-7-4)9-3-10-6/h2-3H,1H3,(H,7,8,9,10) |
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| InChI Key | UIJIQXGRFSPYQW-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as 6-thiopurines. 6-Thiopurines are compounds containing a purine that carries a thiol group at the 6-position. Purine is a bicyclic aromatic compound made up of a pyrimidine ring fused to an imidazole ring. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Imidazopyrimidines |
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| Sub Class | Purines and purine derivatives |
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| Direct Parent | 6-thiopurines |
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| Alternative Parents | |
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| Substituents | - 6-thiopurine
- Aryl thioether
- Alkylarylthioether
- Pyrimidine
- Azole
- Imidazole
- Heteroaromatic compound
- Azacycle
- Sulfenyl compound
- Thioether
- Organic nitrogen compound
- Hydrocarbon derivative
- Organosulfur compound
- Organonitrogen compound
- Organopnictogen compound
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | |
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| Role | Not Available |
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| Physical Properties |
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| State | Not Available |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Experimental Chromatographic Properties | Experimental Collision Cross Sections |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 2.09 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 9.5574 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.21 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1683.9 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 318.4 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 108.2 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 219.3 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 91.4 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 325.1 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 323.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 103.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 710.8 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 283.3 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 870.6 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 231.0 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 282.0 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 406.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 252.3 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 79.0 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 6-Methylmercaptopurine,1TMS,isomer #1 | CSC1=NC=NC2=C1N=CN2[Si](C)(C)C | 1861.3 | Semi standard non polar | 33892256 | | 6-Methylmercaptopurine,1TMS,isomer #1 | CSC1=NC=NC2=C1N=CN2[Si](C)(C)C | 1839.4 | Standard non polar | 33892256 | | 6-Methylmercaptopurine,1TMS,isomer #1 | CSC1=NC=NC2=C1N=CN2[Si](C)(C)C | 2685.9 | Standard polar | 33892256 | | 6-Methylmercaptopurine,1TBDMS,isomer #1 | CSC1=NC=NC2=C1N=CN2[Si](C)(C)C(C)(C)C | 2069.1 | Semi standard non polar | 33892256 | | 6-Methylmercaptopurine,1TBDMS,isomer #1 | CSC1=NC=NC2=C1N=CN2[Si](C)(C)C(C)(C)C | 2074.7 | Standard non polar | 33892256 | | 6-Methylmercaptopurine,1TBDMS,isomer #1 | CSC1=NC=NC2=C1N=CN2[Si](C)(C)C(C)(C)C | 2729.2 | Standard polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - 6-Methylmercaptopurine GC-MS (Non-derivatized) - 70eV, Positive | splash10-014r-3900000000-5450fbc7c306ca432d9a | 2017-09-20 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 6-Methylmercaptopurine GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 20V, Positive-QTOF | splash10-014i-0900000000-b5dc085b582cc9c648f4 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 10V, Positive-QTOF | splash10-014i-0900000000-f0c111c1f47b72a35d84 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 35V, Positive-QTOF | splash10-014i-0900000000-35cd4aed5e1e9fd6dc80 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 35V, Positive-QTOF | splash10-014i-0900000000-af8ebae7f0bc421a249a | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 10V, Positive-QTOF | splash10-014i-0900000000-6760f142fed1e17faef7 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 40V, Positive-QTOF | splash10-00vj-9400000000-9bce9778d96d995a6d0b | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 20V, Positive-QTOF | splash10-014i-0900000000-73098bd9587dbd01daf6 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 40V, Positive-QTOF | splash10-00vj-9400000000-addd3466b446032dab79 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 35V, Negative-QTOF | splash10-014i-0900000000-d0f4892e5a4bfca97102 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 35V, Negative-QTOF | splash10-0uxr-0900000000-e0147c59dcb00323d624 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 20V, Negative-QTOF | splash10-0udi-0900000000-9040c771de850467da25 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 35V, Negative-QTOF | splash10-0gi1-3900000000-037bb346a619ecce099c | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 10V, Negative-QTOF | splash10-0gb9-0900000000-0857c249f02c41d9b489 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 6-Methylmercaptopurine 40V, Negative-QTOF | splash10-014i-9600000000-fd37fea8ca2d02c10f91 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methylmercaptopurine 10V, Positive-QTOF | splash10-014i-0900000000-c4246e06dc5bb517b84a | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methylmercaptopurine 20V, Positive-QTOF | splash10-014i-0900000000-34b7aa251463372ebb71 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methylmercaptopurine 40V, Positive-QTOF | splash10-0006-9500000000-d5deee2755af859be56c | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methylmercaptopurine 10V, Negative-QTOF | splash10-014i-0900000000-0ea1841b20f3a789060b | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methylmercaptopurine 20V, Negative-QTOF | splash10-014i-1900000000-0d48b186067b926b80ff | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methylmercaptopurine 40V, Negative-QTOF | splash10-014i-2900000000-8e795930466ee68a8a80 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methylmercaptopurine 10V, Positive-QTOF | splash10-014i-0900000000-efb7d7ad268f0baf9201 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methylmercaptopurine 20V, Positive-QTOF | splash10-014i-0900000000-efb7d7ad268f0baf9201 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methylmercaptopurine 40V, Positive-QTOF | splash10-0006-9300000000-c1889b7c116e207c39f8 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methylmercaptopurine 10V, Negative-QTOF | splash10-014i-0900000000-e3dc1c0f5b026ada4021 | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 6-Methylmercaptopurine 20V, Negative-QTOF | splash10-014i-0900000000-e05b7e9fa45fd16d8ea5 | 2021-10-12 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum |
IR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-04 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-04 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-04 | FELIX lab | View Spectrum |
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