EINECS 256-336-5, 3-(perfluoro-9-methyldecyl)-1,2-propenoxide, ((Perfluoro-9-methyldecyl)methyl)oxirane, (2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,11,11,11-Icosafluoro-10-(trifluoromethyl)undecyl)oxirane, [2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,11,11,11-icosafluoro-10-(trifluoromethyl)undecyl]oxirane, 1H,1H-Perfluorododecyl oxirane