1,2-Difluoro-1,1,2-trichloroethane 1,2-Difluoro-1,2,2-trichloroethane 1,2-Difluorotrichloroethane 354-15-4 4-01-00-00141 (Beilstein Handbook Reference) BRN 1736842 Ethane, 1,2-difluoro-1,1,2-trichloro- Freon 122a Khladon 122a