4-((4,4,5,5,5-Pentafluoro-3-(pentafluoroethyl)-1,2,3-tris(trifluoromethyl)-1-pentenyl)oxy)benzenesulfonyl chloride 51947-19-4 Benzenesulfonyl chloride, 4-((4,4,5,5,5-pentafluoro-3-(pentafluoroethyl)-1,2,3-tris(trifluoromethyl)-1-pentenyl)oxy)- EINECS 257-538-6 p-((4,4,5,5,5-Pentafluoro-3-(pentafluoroethyl)-1,2,3-tris(trifluoromethyl)pent-1-enyl)oxy)benzenesulphonyl chloride