Also Called: Hexanoic acid, 2,3,3,4,4,5,6,6,6-nonafluoro-2,5-bis(trifluoromethyl)-;Hexanoic acid, 2,3,3,4,4,5,6,6,6-nonafluoro-2,5- bis(trifluoromethyl)-;Perfluoro-2,5-dimethylhexanoic acid;2,3,3,4,4,5,6,6,6-Nonafluoro-2,5-bis(trifluoromethyl)hexanoic acid