Liknande stavning: Difluormetan, pentafluoretan och 1,1,1,2-tetrafluoretan, icke-azeotrop blandning med ca 23 % difluormetan och 25 % pentafluoretan · Difluoromethane, pentafluoroethane, and 1,1,1,2-tetrafluoroethane zeotropic mixture with approximately 23% difluoromethane and 25% pentafluoroethane