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  2. 4,4''-Diamino-2,2'',5,5''-tetrachlorobiphenyl; 4-(4-amino-2,5-dichlorophenyl)-2,5-dichloroaniline; 2,2′,5,5′-Tetrachlorobenzidine
4,4''-Diamino-2,2'',5,5''-tetrachlorobiphenyl; 4-(4-amino-2,5-dichlorophenyl)-2,5-dichloroaniline; 2,2′,5,5′-Tetrachlorobenzidine

4,4''-Diamino-2,2'',5,5''-tetrachlorobiphenyl; 4-(4-amino-2,5-dichlorophenyl)-2,5-dichloroaniline; 2,2′,5,5′-Tetrachlorobenzidine

¥ 1.00 ¥ 1.00 1.0 CNY

¥ 1.00

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