1,1,2,2,2-pentafluoroethylbenzene

4-(1,1,2,2,2-pentafluoroethyl)benzonitrile

1-(1,1,2,2,2-pentafluoroethyl)naphthalene

1,4-二苯基丁二炔

(pentafluorobut-1-yn-1-yl)benzene