99148-49-9

[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-(4-aminophenyl)-6-methyl-, diazotized, coupled with diazotized 4-aminobenzenesulfonic acid, diazotized 2-(4-aminophenyl)-6-methyl-7-benzothiazolesulfonic acid and resorcinol, sodium salts