has role N-methylnicotinate 1-Methyl-3-pyridiniumcarboxylate 1-Methylpyridinio-3-carboxylate 1-methylnicotinate 1-methylpyridinium-3-carboxylate 137.048 137.13602 3-Carboxy-1-methylpyridinium hydroxide inner salt An iminium betaine that is the conjugate base of N-methylnicotinic acid, arising from deprotonation of the carboxy group. Beilstein:3905114 Betain nicotinate Betaine nicotinate C7H7NO2 CAS:535-83-1 CHEBI:12522 CHEBI:18123 CHEBI:19067 CHEBI:7320 C[n+]1cccc(c1)C([O-])=O Caffearin Caffearine Coffearin Gynesine HMDB:HMDB0000875 InChI=1S/C7H7NO2/c1-8-4-2-3-6(5-8)7(9)10/h2-5H,1H3 KEGG:C01004 KNApSAcK:C00001555 MetaCyc:METHYLNICOTINATE N'-Methylnicotinate N-Methylnicotinate N-methyl-nicotinate N-methylnicotinate Nicotinic acid N-methylbetaine PMID:13128691 PMID:17190852 PMID:185134 PMID:22242555 PMID:22312719 PMID:22393699 PMID:22559314 PMID:24047691 Reaxys:3905114 Trigenelline Trigonellin Trigonelline WWNNZCOKKKDOPX-UHFFFAOYSA-N chebi_ontology alkaloid iminium betaine plant metabolite food component