四氟甲烷

perfluoro-2,3-dimethylpentane

2-Pentafluoraethyl-4-trifluormethylperfluorpentan

perfluoro-2,3,4-trimethylpentane

1,1,1,2,2,4,5,5,5-nonafluoro-3-pentafluoroethyl-3,4-bis-trifluoromethyl-pentane