1-Piperazineacetic acid, 4-(1-oxo-3-(3,4,5-trimethoxyphenyl)-2-propenyl)-, ethyl ester, (Z)-2-butenedioate (1:1) 23887-41-4 50679-07-7 CINEPAZET MALEATE Cinepazet maleate [USAN] EINECS 256-709-2 Ethyl 4-(1-oxo-3-(3,4,5-trimethoxyphenyl)allyl)piperazine-1-acetate, maleate (1:1) Ethyl 4-(3,4,5-trimethoxycinnamoyl)-1-piperazineacetate maleate (1:1)