1-(2,5-difluorophenyl)-4,4,5,5,5-pentafluoropentane-1,3-dione

1,1,1,2,2,6,6,7,7,7-十氟-3,5-庚二酮

2,2,3,3,3-五氟丙酸钾

2,2,3,3,3-pentafluoro-1-(4-(trifluoromethyl)phenyl)propan-1-one