1 2-dibromo-1 1 2 2-tetrafluoroethane July 8, 2019 16 32 64 128 1 2 dibromo 1 1 2 2 tetrafluoroethane structure 1 2 dibromo 1 1 2 2 tetrafluoroethane cas no 1 2 dibromo 1 1 2 2 tetrafluoroethane cas 1 4 dibromobutane
