133743-71-2 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, 2-(4-(4-(diphenylmethyl)-1-piperazinyl)phenyl)ethyl methyl ester, dihydrochloride AE 0047 AE0047 CCRIS 7882 Watanidipine dihydrochloride Watanidipine hydrochloride