3H-Pyrazol-3-one, 4-((4-((4-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-2,5-dimethylphenyl)phenylmethyl)-2-methylphenyl)azo)-2,4-dihydro-5-methyl-2-phenyl- 72391-19-6