1-(2-Pyridyl)-4-(3,4,5-trimethoxycinnamoyl)-piperazine 22662-32-4 N-(3,4,5-Trimethoxycinnamoyl)-N-(2-pyridyl)piperazine Piperazine, 1-(2-pyridyl)-4-(3,4,5-trimethoxycinnamoyl)-