1,2-Dichlorohexafluoro-1-cyclopentene 1,2-Dichlorohexafluorocyclopentene 1,2-Dichloroperfluorocyclopentene 706-79-6 Cyclopentene, 1,2-dichloro-3,3,4,4,5,5-hexafluoro- Cyclopentene, 1,2-dichlorohexafluoro- NSC41877