1-(4-(2,5-Dimethyl-1-pyrrolyl)butyryl)-4-phenylpiperazine 110525-51-4 Piperazine, 1-(4-(2,5-dimethyl-1-pyrrolyl)butyryl)-4-phenyl- Piperazine, 1-(4-(2,5-dimethyl-1H-pyrrol-1-yl)-1-oxobutyl)-4-phenyl-