perfluoro-1,3-pentadiene

1,4,5,6,7,7-hexafluoro-2,3-diazabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid dimethyl ester

perfluoro-11-oxadispiro(4.0.4.1)undecane

1,1,2,3,4,5-六氟-2,3,4,5-四氯环戊烷

1,2,3,4-tetrachloro-5,5-difluoro-cyclopenta-1,3-diene