3-pyridinecarboxylic acid, 4-(4-carboxyphenyl)-6-chloro-5-formyl-1,4-dihydro-2-methyl-, 3-methyl ester 4-(4-carboxy-phenyl)-6-chloro-5-formyl-2-methyl-1,4-dihydro-pyridine-3-carboxylic acid methyl ester 4-[2-chloro-3-formyl-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridin-4-yl]benzoic acid InChI=1/C16H14ClNO5/c1-8-12(16(22)23-2)13(11(7-19)14(17)18-8)9-3-5-10(6-4-9)15(20)21/h3-7,13,18H,1-2H3,(H,20,21 Methyl 4-(4-carboxyphenyl)-6-chloro-5-formyl-2-methyl-1,4-dihydropyridine-3-carboxylate