Synonyms: 2-Pentene,1,1,1,4,5,5,5-heptafluoro-3-(pentafluoroethyl)-2,4-bis(trifluoromethyl)-(8CI,9CI);1,1,1,4,5,5,5-Heptafluoro-3-(pentafluoroethyl)-2,4-bis(trifluoromethyl)pent-2-ene;Hexafluoropropylene trimer; Perfluoro(2,4-dimethyl-3-ethyl-2-pentene);Perfluoro(2-methyl-3-isopropyl-2-pentene); Perfluoro(3-isopropyl-2-methyl-2-pentene);Perfluoro-3-ethyl-2,4-dimethyl-2-pentene