1-o-Tolyl-4-((3,4,5-trimethoxybenzoyl)acetyl)-piperazine 23776-31-0 N-((3,4,5-Trimethoxybenzoyl)acetyl)-N-(o-tolyl)piperazine Piperazine, 1-o-tolyl-4-((3,4,5-trimethoxybenzoyl)acetyl)-