Synonyms: 2-Pentene,nonafluoro-2-(trifluoromethyl)- (6CI,7CI);1,1,1,3,4,4,5,5,5-Nonafluoro-2-(trifluoromethyl)-2-pentene;2-(Trifluoromethyl)nonafluoro-2-pentene;2-(Trifluoromethyl)perfluoro-2-pentene;Perfluoro(1-ethyl-2-methyl-1-propene);Perfluoro(2-methyl-2-pentene);