Synonyms: 6-methyl-2-{4-[(e)-(3-methyl-5-oxo-4,5-dihydro-1h-pyrazol-4-yl)diazenyl]phenyl}-1,3-benzothiazole-7-sulfonic acid;68568-78-5;AC1L3I0F;AC1Q6OY2;AR-1H2156;6-Methyl-2-(4-((3-methyl-5-oxo-2-pyrazolin-4-yl)azo)phenyl)-7-benzothiazolesulfonic acid;6-Methyl-2-(4-((3-methyl-5-oxo-2-pyrazolin-4-yl)azo)phenyl-7-benzothiazolesulfonic acid;6-methyl-2-[4-[(3-methyl-5-oxo-1,4-dihydropyrazol-4-yl)diazenyl]phenyl]-1,3-benzothiazole-7-sulfonic acid;7-Benzothiazolesulfonic acid, 2-(4-((4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)phenyl)-6-methyl-;7-Benzothiazolesulfonic acid, 2-(4-(2-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)diazenyl)phenyl)-6-methyl-