. "Freon 12B2" . . "R 12B2" . "Dibromodifluoromethane" . "Difluorodibromomethane" . . "Halon 1202" . . . . . "dibromodifluoromethane" . . "Fluorocarbon 12-B2" . "Dibromo(difluoro)methane" . "Dibromodifluoromethane" . . "Carbon dibromide difluoride" . . "Carbon bromide fluoride" . "Dibromodifluoromethane" . . . "UN 1941" . "FC 12-B2" . . .