1-(o-Chlorophenyl)-4-(3,4,5-trimethoxyhydrocinnamoyl)piperazine 23770-94-7 N(sup 1)-(3,4,5-Trimethoxyhydrocinnamoyl)-N(sup 4)-(o-chlorophenyl)piperazine Piperazine, 1-(o-chlorophenyl)-4-(3,4,5-trimethoxyhydrocinnamoyl)-