1,2-Dibromo-1-chloro-1,2,2-trifluoroethane354-51-831 % similar 1-Bromo-1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoroheptane375-88-231 % similar Perfluorooctyl bromide423-55-231 % similar Nonadecafluorononyl bromide558-96-331 % similar 1,2-Dibromo-1,1,2,3,3,3-hexafluoropropane661-95-031 % similar