| | PERFLUORO-2,5,8,11,14,17,20-HEPTAMETHYL-3,6,9,12,15,18,21-HEPTAOXATETRACOSANOYLFLUORIDE CAS:13140-25-5 PERFLUORO-2,5,8,11,14,17-HEXAMETHYL-3,6,9,12,15,18-HEXAOXAHENEICOSANOYL FLUORIDE CAS:13140-24-4 PEROXIDE, BIS(2,2,3,3,4,4,5,5,6,6,7,7,7-TRIDECAFLUORO-1-OXOHEPTYL) CAS:42514-14-7 |