meso-2,2,3,4,5,5-hexafluoro-adipic acid

2,2,3,3,4,5,5-heptafluoro-adipic acid

trans-perfluoro-1,4,7-octatriene

1,2,3,3,4,5,6,6-八氟-1,4-环己二烯

1,5-Di-H-hexafluoro-1,4-cyclohexadiene