| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2005-11-16 15:48:42 UTC |
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| Update Date | 2023-02-21 17:14:45 UTC |
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| HMDB ID | HMDB0000351 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | (2S,3R)-3-Hydroxy-2-methylbutanoic acid |
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| Description | (2S,3R)-3-Hydroxy-2-methylbutanoic acid, also known as 3-hydroxy-2-methyl-[R-(r*,s*)]-butanoate or (2S,3R)-nilic acid, belongs to the class of organic compounds known as hydroxy fatty acids. These are fatty acids in which the chain bears a hydroxyl group. Based on a literature review very few articles have been published on (2S,3R)-3-Hydroxy-2-methylbutanoic acid. |
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| Structure | InChI=1S/C5H10O3/c1-3(4(2)6)5(7)8/h3-4,6H,1-2H3,(H,7,8)/t3-,4+/m0/s1 |
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| Synonyms | | Value | Source |
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| (2S,3R)-3-Hydroxy-2-methylbutanoate | Generator | | 3-Hydroxy-2-methyl-[R-(r*,s*)]-butanoate | HMDB | | 3-Hydroxy-2-methyl-[R-(r*,s*)]-butanoic acid | HMDB | | 3-Hydroxy-2-methyl-[R-(R,S)]-butanoate | HMDB | | (2S,3R)-3-Hydroxy-2-methylbutyric acid | HMDB | | (2S,3R)-Nilic acid | HMDB | | 3-Hydroxy-2-methyl-[R-(R,S)]-butanoic acid | HMDB | | HMBA | HMDB | | (2S,3R)-3-Hydroxy-2-methylbutanoic acid | HMDB |
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| Chemical Formula | C5H10O3 |
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| Average Molecular Weight | 118.1311 |
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| Monoisotopic Molecular Weight | 118.062994186 |
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| IUPAC Name | (2S,3R)-3-hydroxy-2-methylbutanoic acid |
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| Traditional Name | (2S,3R)-3-hydroxy-2-methylbutanoic acid |
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| CAS Registry Number | 71526-30-2 |
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| SMILES | C[C@@H](O)[C@H](C)C(O)=O |
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| InChI Identifier | InChI=1S/C5H10O3/c1-3(4(2)6)5(7)8/h3-4,6H,1-2H3,(H,7,8)/t3-,4+/m0/s1 |
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| InChI Key | VEXDRERIMPLZLU-IUYQGCFVSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as hydroxy fatty acids. These are fatty acids in which the chain bears a hydroxyl group. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Fatty Acyls |
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| Sub Class | Fatty acids and conjugates |
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| Direct Parent | Hydroxy fatty acids |
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| Alternative Parents | |
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| Substituents | - Beta-hydroxy acid
- Branched fatty acid
- Hydroxy fatty acid
- Short-chain hydroxy acid
- Methyl-branched fatty acid
- Hydroxy acid
- Secondary alcohol
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organooxygen compound
- Alcohol
- Carbonyl group
- Hydrocarbon derivative
- Organic oxide
- Organic oxygen compound
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | Not Available |
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| Ontology |
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| Not Available | Not Available |
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| Physical Properties |
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| State | Solid |
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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 | Not Available |
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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. | 2.0 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 9.2556 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 4.05 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 219.0 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 877.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 329.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 62.8 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 191.3 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 47.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 266.9 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 | 266.6 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 213.8 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 604.7 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 152.1 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 | 749.9 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 185.9 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 238.1 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 482.6 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 301.9 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 | 245.4 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| (2S,3R)-3-Hydroxy-2-methylbutanoic acid,1TMS,isomer #1 | C[C@H](C(=O)O)[C@@H](C)O[Si](C)(C)C | 1128.6 | Semi standard non polar | 33892256 | | (2S,3R)-3-Hydroxy-2-methylbutanoic acid,1TMS,isomer #2 | C[C@H](C(=O)O[Si](C)(C)C)[C@@H](C)O | 1061.3 | Semi standard non polar | 33892256 | | (2S,3R)-3-Hydroxy-2-methylbutanoic acid,2TMS,isomer #1 | C[C@H](C(=O)O[Si](C)(C)C)[C@@H](C)O[Si](C)(C)C | 1206.7 | Semi standard non polar | 33892256 | | (2S,3R)-3-Hydroxy-2-methylbutanoic acid,1TBDMS,isomer #1 | C[C@H](C(=O)O)[C@@H](C)O[Si](C)(C)C(C)(C)C | 1367.1 | Semi standard non polar | 33892256 | | (2S,3R)-3-Hydroxy-2-methylbutanoic acid,1TBDMS,isomer #2 | C[C@H](C(=O)O[Si](C)(C)C(C)(C)C)[C@@H](C)O | 1283.7 | Semi standard non polar | 33892256 | | (2S,3R)-3-Hydroxy-2-methylbutanoic acid,2TBDMS,isomer #1 | C[C@H](C(=O)O[Si](C)(C)C(C)(C)C)[C@@H](C)O[Si](C)(C)C(C)(C)C | 1646.1 | Semi standard non 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 - (2S,3R)-3-Hydroxy-2-methylbutanoic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-0097-9100000000-4296c67313a78a015074 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid GC-MS (2 TMS) - 70eV, Positive | splash10-00y1-9820000000-7256ed8afed29ebf4daa | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid GC-MS (TMS_1_1) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid GC-MS (TMS_1_2) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid GC-MS (TBDMS_1_1) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid GC-MS (TBDMS_1_2) - 70eV, Positive | Not Available | 2021-11-05 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid GC-MS (TBDMS_2_1) - 70eV, Positive | Not Available | 2021-11-05 | 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 - (2S,3R)-3-Hydroxy-2-methylbutanoic acid Quattro_QQQ 10V, Positive-QTOF (Annotated) | splash10-0r0r-9200000000-a7d6bf6e90c8c752f69c | 2012-07-24 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid Quattro_QQQ 25V, Positive-QTOF (Annotated) | splash10-0a4j-9000000000-fe9a2716010ffb94cff8 | 2012-07-24 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid Quattro_QQQ 40V, Positive-QTOF (Annotated) | splash10-0a4l-9000000000-715b545170085466a6b2 | 2012-07-24 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid 10V, Positive-QTOF | splash10-0uxr-3900000000-d8f24d02712f429591a7 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid 20V, Positive-QTOF | splash10-0zgi-9800000000-0821ba5748054e7de369 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid 40V, Positive-QTOF | splash10-0a4i-9000000000-e5b2f743cb4dd5e99ec5 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid 10V, Negative-QTOF | splash10-014i-5900000000-587bb9b1fdf10856b3a1 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid 20V, Negative-QTOF | splash10-05fr-9100000000-a33491d8a46967cdd2d3 | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid 40V, Negative-QTOF | splash10-0a4i-9000000000-1ec2b5bb3af9f3c925ca | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid 10V, Negative-QTOF | splash10-01b9-8900000000-6e362f577b3d827a8387 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid 20V, Negative-QTOF | splash10-05fr-9100000000-6950ab2628a11bf6839a | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid 40V, Negative-QTOF | splash10-052f-9000000000-5278bf25a974c9f30369 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid 10V, Positive-QTOF | splash10-0zgi-9400000000-aee3a280a6df1ae985b6 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid 20V, Positive-QTOF | splash10-0002-9000000000-45e4e2c8c6ea7216859f | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - (2S,3R)-3-Hydroxy-2-methylbutanoic acid 40V, Positive-QTOF | splash10-052b-9000000000-845222220a578798d8ce | 2021-09-24 | 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) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-29 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-29 | 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]-) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
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