113263-98-2 143440-95-3 159095-03-1 39289-55-9 55600-49-2 60164-51-4 65863-23-2 66771-81-1 74434-37-0 74434-38-1 80449-91-8 Poly(oxy(trifluoro(trifluoromethyl)-1,2-ethanediyl)), alpha-(pentafluoroethyl)-omega-(tetrafluoro(trifluoromethyl)ethoxy)- Poly(oxy(trifluoro(trifluoromethyl)-1,2-ethanediyl)),alpha-(pentafluoroethyl)-omega-(tetrafluoro(trifluoromethyl)ethoxy)-