Liknande stavning: Difluormetan, pentafluormetan och 1,1,1,2-tetrafluoretan, icke-azeotrop blandning med ca 20 % difluormetan och 40 % pentafluoretan · Difluoromethane, pentafluoroethane, and 1,1,1,2-tetrafluoroethane zeotropic mixture with approximately 20% difluoromethane and 40% pentafluoroethane