benzidine,minimus

pigment used for plastic&rubber pigment yellow 81 (benzidine
5'-四甲基联苯胺二盐酸 英文名称:3,3',5,5'-tetramethyl benzidine
联苯胺    2,2'-bis(trifluoromethyl)benzidine
3,3'-二氯联苯胺盐酸盐 【英文名】3,3'-dichlorobenzidine hydro
3,3'-二甲氧基联苯胺|3,3'-dimethoxybenzidine|119