Perfluorooctyl bromide423-55-233 % similar Nonadecafluorononyl bromide558-96-333 % similar 1,2-Dibromo-1,1,2,3,3,3-hexafluoropropane661-95-033 % similar Dibromotetrafluoroethane124-73-231 % similar Tribromofluoromethane353-54-831 % similar Dibromodifluoromethane75-61-631 % similar Bromotrifluoromethane75-63-831 % similar Octafluoropropane76-19-731 % similar Perfluoroisohexane355-04-430 % similar