3-pyridinecarboxylic acid, 6-chloro-5-formyl-1,4-dihydro-4-(3-methoxyphenyl)-2-methyl-, ethyl ester InChI=1/C17H18ClNO4/c1-4-23-17(21)14-10(2)19-16(18)13(9-20)15(14)11-6-5-7-12(8-11)22-3/h5-9,15,19H,4H2,1-3H ethyl 6-chloro-5-formyl-4-(3-methoxyphenyl)-2-methyl-1,4-dihydropyridine-3-carboxylate