2-(Phenylthio)ethyl-5-ethoxycarbonyl-2,4,6-trimethyl-1,4-dihydropyridine-3-carboxylate 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,4,6-trimethyl-, ethyl 2-(phenylthio)ethyl ester 3-(2-(Phenylthio)ethyl)-5-ethoxycarbonyl-4-methyl-2,6-dimethyl-1,4-dihydropyridine-3-carboxylate 81635-83-8 Pca 4233 Pca-4233