2-(4-aminophenyl)-6-methyl[2,6'-bibenzothiazole]-7-sulphonic acid

2'-(4-Aminophenyl)-6-methyl-2,6'-bi[benzothiazole]-7-sulfonic acid

2-[2-(4-Aminophenyl)benzothiazol-6-yl]-6-methyl-7-benzothiazolesulfonic acid

2-(2-(4aminophenyl)benzo[d]thiazol-6-yl)-6-methylbenzo[d]thiazole-7-sulfonic acid

2-[2-(4-aminophenyl)-1,3-benzothiazol-6-yl]-6-methyl-1,3-benzothiazole-7-sulfonic acid

2-[2-(4-azanylphenyl)-1,3-benzothiazol-6-yl]-6-methyl-1,3-benzothiazole-7-sulfonic acid