1-methylpyridin-1-ium-3-carboxylic acid chloride 1-methyl-3-pyridin-1-iumcarboxylic acid chloride 6138-41-6 Pyridinium, 3-carboxy-1-methyl-, chloride Trigonelline hydrochloride SBB000182 3-Carboxy-1-methylpyridinium chloride EINECS 228-119-5 N-Methylnicotinic acid chloride NSC 66510 Pyridinium, 3-carboxy-1-methyl-, chloride (8CI)(9CI) 1-Methylpyridinium-3-carboxylate hydrochloride N-Methylnicotinic acid betaine hydrochloride T5509_SIGMA N-Methyl-3-carboxypyridinium chloride NSC66510 1-methylpyridin-1-ium-3-carboxylate hydrochloride 1-methyl-3-pyridin-1-iumcarboxylate hydrochloride Prestwick_70