3H-Pyrazol-3-one, 2,4-dihydro-4-((6-methoxy-2-benzothiazolyl)azo)-5-methyl-2-phenyl- 4-((6-Methoxybenzothiazol-2-yl)azo)-3-methyl-1-phenyl-1H-pyrazol-5-ol 73038-34-3