| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2014-06-23 11:34:47 UTC |
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| Update Date | 2019-07-23 07:17:04 UTC |
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| HMDB ID | HMDB0061722 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Metiamide |
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| Description | Metiamide, also known as SK and F92058 or sk&f 92058, belongs to the class of organic compounds known as imidazoles. Imidazoles are compounds containing an imidazole ring, which is an aromatic five-member ring with two nitrogen atoms at positions 1 and 3, and three carbon atoms. Metiamide is a very strong basic compound (based on its pKa). Metiamide is a histamine H2-receptor antagonist. In humans, metiamide is involved in the metabolic disorder called the metiamide action pathway. This competitive inhibition results in reduced gastric acid secretion and a reduction in gastric volume and acidity. Other actions of Metiamide include an increase in gastric bacterial flora such as nitrate-reducing organisms. It was an intermediate product on the path to developing cimetidine. Metiamide is an H-2 receptor antagonist derived from burimamide. Metiamide inhibits many of the isoenzymes of the hepatic CYP450 enzyme system. Metiamide binds to an H2-receptor located on the basolateral membrane of the gastric parietal cell, blocking histamine effects. It reduces basal and nocturnal gastric acid secretion and a reduction in gastric volume, acidity, and amount of gastric acid released in response to stimuli including food, caffeine, insulin, betazole, or pentagastrin. |
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| Structure | InChI=1S/C9H16N4S2/c1-7-8(13-6-12-7)5-15-4-3-11-9(14)10-2/h6H,3-5H2,1-2H3,(H,12,13)(H2,10,11,14) |
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| Synonyms | | Value | Source |
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| SK&F 92058 | HMDB | | Metiamide monohydrochloride | HMDB | | SK And F92058 | HMDB | | Monohydrochloride, metiamide | HMDB | | SK And F 92058 | HMDB | | SK And F-92058 | HMDB |
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| Chemical Formula | C9H16N4S2 |
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| Average Molecular Weight | 244.38 |
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| Monoisotopic Molecular Weight | 244.081637912 |
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| IUPAC Name | 3-methyl-1-(2-{[(5-methyl-1H-imidazol-4-yl)methyl]sulfanyl}ethyl)thiourea |
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| Traditional Name | methiamide |
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| CAS Registry Number | Not Available |
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| SMILES | CNC(=S)NCCSCC1=C(C)NC=N1 |
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| InChI Identifier | InChI=1S/C9H16N4S2/c1-7-8(13-6-12-7)5-15-4-3-11-9(14)10-2/h6H,3-5H2,1-2H3,(H,12,13)(H2,10,11,14) |
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| InChI Key | FPBPLBWLMYGIQR-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as imidazoles. Imidazoles are compounds containing an imidazole ring, which is an aromatic five-member ring with two nitrogen atoms at positions 1 and 3, and three carbon atoms. |
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| Kingdom | Organic compounds |
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| Super Class | Organoheterocyclic compounds |
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| Class | Azoles |
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| Sub Class | Imidazoles |
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| Direct Parent | Imidazoles |
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| Alternative Parents | |
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| Substituents | - Heteroaromatic compound
- Imidazole
- Thiourea
- Azacycle
- Dialkylthioether
- Sulfenyl compound
- Thioether
- Organic nitrogen compound
- Organopnictogen compound
- Hydrocarbon derivative
- Organosulfur compound
- Organonitrogen compound
- Aromatic heteromonocyclic compound
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| Molecular Framework | Aromatic heteromonocyclic 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 | 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. Predicted by Afia on May 17, 2022. | 2.94 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 8.8759 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.93 minutes | 32390414 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 409.1 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 242.5 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 60.5 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 157.9 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 54.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 293.0 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 | 297.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 800.7 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 579.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 64.9 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 | 802.1 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 168.6 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 185.3 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 696.7 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 507.7 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 | 223.2 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Metiamide,1TMS,isomer #1 | CC1=C(CSCCNC(=S)N(C)[Si](C)(C)C)N=C[NH]1 | 2508.8 | Semi standard non polar | 33892256 | | Metiamide,1TMS,isomer #1 | CC1=C(CSCCNC(=S)N(C)[Si](C)(C)C)N=C[NH]1 | 2165.7 | Standard non polar | 33892256 | | Metiamide,1TMS,isomer #1 | CC1=C(CSCCNC(=S)N(C)[Si](C)(C)C)N=C[NH]1 | 3460.1 | Standard polar | 33892256 | | Metiamide,1TMS,isomer #2 | CNC(=S)N(CCSCC1=C(C)[NH]C=N1)[Si](C)(C)C | 2465.3 | Semi standard non polar | 33892256 | | Metiamide,1TMS,isomer #2 | CNC(=S)N(CCSCC1=C(C)[NH]C=N1)[Si](C)(C)C | 2209.1 | Standard non polar | 33892256 | | Metiamide,1TMS,isomer #2 | CNC(=S)N(CCSCC1=C(C)[NH]C=N1)[Si](C)(C)C | 3495.5 | Standard polar | 33892256 | | Metiamide,1TMS,isomer #3 | CNC(=S)NCCSCC1=C(C)N([Si](C)(C)C)C=N1 | 2590.0 | Semi standard non polar | 33892256 | | Metiamide,1TMS,isomer #3 | CNC(=S)NCCSCC1=C(C)N([Si](C)(C)C)C=N1 | 2177.6 | Standard non polar | 33892256 | | Metiamide,1TMS,isomer #3 | CNC(=S)NCCSCC1=C(C)N([Si](C)(C)C)C=N1 | 3897.2 | Standard polar | 33892256 | | Metiamide,2TMS,isomer #1 | CC1=C(CSCCNC(=S)N(C)[Si](C)(C)C)N=CN1[Si](C)(C)C | 2583.6 | Semi standard non polar | 33892256 | | Metiamide,2TMS,isomer #1 | CC1=C(CSCCNC(=S)N(C)[Si](C)(C)C)N=CN1[Si](C)(C)C | 2307.7 | Standard non polar | 33892256 | | Metiamide,2TMS,isomer #1 | CC1=C(CSCCNC(=S)N(C)[Si](C)(C)C)N=CN1[Si](C)(C)C | 3340.8 | Standard polar | 33892256 | | Metiamide,2TMS,isomer #2 | CC1=C(CSCCN(C(=S)N(C)[Si](C)(C)C)[Si](C)(C)C)N=C[NH]1 | 2467.6 | Semi standard non polar | 33892256 | | Metiamide,2TMS,isomer #2 | CC1=C(CSCCN(C(=S)N(C)[Si](C)(C)C)[Si](C)(C)C)N=C[NH]1 | 2288.6 | Standard non polar | 33892256 | | Metiamide,2TMS,isomer #2 | CC1=C(CSCCN(C(=S)N(C)[Si](C)(C)C)[Si](C)(C)C)N=C[NH]1 | 3118.8 | Standard polar | 33892256 | | Metiamide,2TMS,isomer #3 | CNC(=S)N(CCSCC1=C(C)N([Si](C)(C)C)C=N1)[Si](C)(C)C | 2535.4 | Semi standard non polar | 33892256 | | Metiamide,2TMS,isomer #3 | CNC(=S)N(CCSCC1=C(C)N([Si](C)(C)C)C=N1)[Si](C)(C)C | 2349.4 | Standard non polar | 33892256 | | Metiamide,2TMS,isomer #3 | CNC(=S)N(CCSCC1=C(C)N([Si](C)(C)C)C=N1)[Si](C)(C)C | 3364.9 | Standard polar | 33892256 | | Metiamide,3TMS,isomer #1 | CC1=C(CSCCN(C(=S)N(C)[Si](C)(C)C)[Si](C)(C)C)N=CN1[Si](C)(C)C | 2502.2 | Semi standard non polar | 33892256 | | Metiamide,3TMS,isomer #1 | CC1=C(CSCCN(C(=S)N(C)[Si](C)(C)C)[Si](C)(C)C)N=CN1[Si](C)(C)C | 2417.4 | Standard non polar | 33892256 | | Metiamide,3TMS,isomer #1 | CC1=C(CSCCN(C(=S)N(C)[Si](C)(C)C)[Si](C)(C)C)N=CN1[Si](C)(C)C | 2948.2 | Standard polar | 33892256 | | Metiamide,1TBDMS,isomer #1 | CC1=C(CSCCNC(=S)N(C)[Si](C)(C)C(C)(C)C)N=C[NH]1 | 2748.1 | Semi standard non polar | 33892256 | | Metiamide,1TBDMS,isomer #1 | CC1=C(CSCCNC(=S)N(C)[Si](C)(C)C(C)(C)C)N=C[NH]1 | 2411.5 | Standard non polar | 33892256 | | Metiamide,1TBDMS,isomer #1 | CC1=C(CSCCNC(=S)N(C)[Si](C)(C)C(C)(C)C)N=C[NH]1 | 3536.1 | Standard polar | 33892256 | | Metiamide,1TBDMS,isomer #2 | CNC(=S)N(CCSCC1=C(C)[NH]C=N1)[Si](C)(C)C(C)(C)C | 2701.3 | Semi standard non polar | 33892256 | | Metiamide,1TBDMS,isomer #2 | CNC(=S)N(CCSCC1=C(C)[NH]C=N1)[Si](C)(C)C(C)(C)C | 2433.5 | Standard non polar | 33892256 | | Metiamide,1TBDMS,isomer #2 | CNC(=S)N(CCSCC1=C(C)[NH]C=N1)[Si](C)(C)C(C)(C)C | 3538.7 | Standard polar | 33892256 | | Metiamide,1TBDMS,isomer #3 | CNC(=S)NCCSCC1=C(C)N([Si](C)(C)C(C)(C)C)C=N1 | 2804.7 | Semi standard non polar | 33892256 | | Metiamide,1TBDMS,isomer #3 | CNC(=S)NCCSCC1=C(C)N([Si](C)(C)C(C)(C)C)C=N1 | 2391.1 | Standard non polar | 33892256 | | Metiamide,1TBDMS,isomer #3 | CNC(=S)NCCSCC1=C(C)N([Si](C)(C)C(C)(C)C)C=N1 | 3900.5 | Standard polar | 33892256 | | Metiamide,2TBDMS,isomer #1 | CC1=C(CSCCNC(=S)N(C)[Si](C)(C)C(C)(C)C)N=CN1[Si](C)(C)C(C)(C)C | 3016.9 | Semi standard non polar | 33892256 | | Metiamide,2TBDMS,isomer #1 | CC1=C(CSCCNC(=S)N(C)[Si](C)(C)C(C)(C)C)N=CN1[Si](C)(C)C(C)(C)C | 2736.7 | Standard non polar | 33892256 | | Metiamide,2TBDMS,isomer #1 | CC1=C(CSCCNC(=S)N(C)[Si](C)(C)C(C)(C)C)N=CN1[Si](C)(C)C(C)(C)C | 3397.8 | Standard polar | 33892256 | | Metiamide,2TBDMS,isomer #2 | CC1=C(CSCCN(C(=S)N(C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N=C[NH]1 | 2934.2 | Semi standard non polar | 33892256 | | Metiamide,2TBDMS,isomer #2 | CC1=C(CSCCN(C(=S)N(C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N=C[NH]1 | 2730.5 | Standard non polar | 33892256 | | Metiamide,2TBDMS,isomer #2 | CC1=C(CSCCN(C(=S)N(C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N=C[NH]1 | 3219.1 | Standard polar | 33892256 | | Metiamide,2TBDMS,isomer #3 | CNC(=S)N(CCSCC1=C(C)N([Si](C)(C)C(C)(C)C)C=N1)[Si](C)(C)C(C)(C)C | 2963.5 | Semi standard non polar | 33892256 | | Metiamide,2TBDMS,isomer #3 | CNC(=S)N(CCSCC1=C(C)N([Si](C)(C)C(C)(C)C)C=N1)[Si](C)(C)C(C)(C)C | 2756.2 | Standard non polar | 33892256 | | Metiamide,2TBDMS,isomer #3 | CNC(=S)N(CCSCC1=C(C)N([Si](C)(C)C(C)(C)C)C=N1)[Si](C)(C)C(C)(C)C | 3391.7 | Standard polar | 33892256 | | Metiamide,3TBDMS,isomer #1 | CC1=C(CSCCN(C(=S)N(C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N=CN1[Si](C)(C)C(C)(C)C | 3219.7 | Semi standard non polar | 33892256 | | Metiamide,3TBDMS,isomer #1 | CC1=C(CSCCN(C(=S)N(C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N=CN1[Si](C)(C)C(C)(C)C | 3016.1 | Standard non polar | 33892256 | | Metiamide,3TBDMS,isomer #1 | CC1=C(CSCCN(C(=S)N(C)[Si](C)(C)C(C)(C)C)[Si](C)(C)C(C)(C)C)N=CN1[Si](C)(C)C(C)(C)C | 3149.2 | 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 - Metiamide GC-MS (Non-derivatized) - 70eV, Positive | splash10-0005-9300000000-907f73f8f938674a5458 | 2017-08-28 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - Metiamide 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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| Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Metiamide 10V, Positive-QTOF | splash10-0002-7970000000-6270ca74d4ef8b47ab52 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Metiamide 20V, Positive-QTOF | splash10-0092-9810000000-1cf11ce57b088bbc7944 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Metiamide 40V, Positive-QTOF | splash10-00dm-9100000000-d640ef6b5070ab66edd5 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Metiamide 10V, Negative-QTOF | splash10-002f-6960000000-9c8740cd4df559672784 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Metiamide 20V, Negative-QTOF | splash10-00vi-8920000000-f302b9dcfb00f3db7477 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Metiamide 40V, Negative-QTOF | splash10-006x-9100000000-716c4b942353dd80ae74 | 2017-07-26 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Metiamide 10V, Negative-QTOF | splash10-0006-1190000000-421f42ae40c1562bba18 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Metiamide 20V, Negative-QTOF | splash10-014i-5900000000-d6b80ce1f1381c2803c0 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Metiamide 40V, Negative-QTOF | splash10-00xr-9200000000-e805a0b1a704bafe9751 | 2021-09-23 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Metiamide 10V, Positive-QTOF | splash10-0002-1190000000-497de74916d0c5d97805 | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Metiamide 20V, Positive-QTOF | splash10-002b-9300000000-f932af11961ea77f716f | 2021-09-25 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Metiamide 40V, Positive-QTOF | splash10-000t-9100000000-87be1cad0bd6e916dea5 | 2021-09-25 | Wishart Lab | View Spectrum |
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