1-(p-Bromophenyl)-4-(2,4,4-trimethylallophanoyl)piperazine 1-Piperazinecarboxamide, 4-(4-bromophenyl)-N-((dimethylamino)carbonyl)-N-methyl- 4-(4-Bromophenyl)-N-((dimethylamino)carbonyl)-N-methyl-1-piperazinecarboxamide 80712-26-1