699-39-8
1,2,3,4,5,5-hexafluorocyclopenta-1,3-diene
+
74-86-2
乙炔
→
17065-31-5
1,2,3,4,7,7-hexafluorobicyclo[2.2.1]hepta-2,5-diene
115-25-3
八氟环丁烷
551-62-2
1,2,3,4-四氟苯