3H-pyrazol-3-one, 4,4'-[(4-hydroxyphenyl)methylene]bis[1,2-dihydro-1,5-dimethyl-2-phenyl-;4,4'-[(4-Hydroxyphenyl)methylene]bis(1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one)
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