2,6-Dimethyl-3,5-diethoxycarbonyl-4-(o-(difluoromethylthio)phenyl)-1,4-dihydropyridine 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-4-(o-(difluoromethylthio)phenyl)-2,6-dimethyl-, diethyl ester 84761-73-9