.gamma.-(4-Phenylpiperazino)-4-fluorobutyrophenone 1-Butanone, 1-(4-fluorophenyl)-4-(4-phenyl-1-piperazinyl)- 2354-61-2 4'-Fluoro-4-[1-(4-phenyl)piperazino]butyrophenone Butropipazon Butropipazone Butyrophenone, 4'-fluoro-4-(4-phenyl-1-piperazinyl)- Butyropipazone Galvanisone NSC170975 R 1892 WLN: T6NTJ A1OR DF& DR