| 英文名称: | | 2,2',5,5'-tetrachloro-benzidin | | 1'-biphenyl)-4,4'-diamine, 2,2',5,5'-tetrachloro-( | | 2,2',5,5'-tetrachloro-(1,1'-biphenyl)-4,4'-diamine | | 2,2',5,5'-tetrachloro-4,4'-diaminodiphenyl | | 2,2',5,5'-tetrachlorobenzidine | | 3,3',6,6'-tetrachlorobenzidine | | 1'-biphenyl]-4,4'-diamine, 2,2',5,5'-tetrachloro-[ | | tetrachlorobenzidine |
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