| 英文名称: | | 1,2-difluoro-1,1,2-trichloro-ethan | | 1,2-difluoro-1,1,2-trichloroethane | | 1,2-difluoro-1,2,2-trichloroethane | | 1,2-difluorotrichloroethane | | freon 122a | | khladon 122a | | 1,2,2-trichloro-1,2-difluoroethane | | 1,1,2-trichloro-1,2-difluoro-ethane | | ethane,1,1,2-trichloro-1,2-difluoro- | | 1,1,2-trichloro-1,2-difluoroethane | | Ethane,1,2,2-trichloro-1,2-difluoro- |
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