(+-)-p-(4-(Diphenylmethyl)-1-piperazinyl)phenethyl)methyl 1,4-dihydro-2,6-dimethyl-4-(m-nitrophenyl)-3,5-pyridinedicaboxylate 116308-55-5 134054-36-7 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, 2-(4-(4-(diphenylmethyl)-1-piperazinyl)phenyl)ethyl methyl ester AE0047 Watanidipine