2,4-dihydro-4-[(2-hydroxyphenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one
2,4-dihydro-4-[(2-hydroxyphenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one;4-(2-Hydroxyphenylazo)-3-methyl-1-phenyl-2-pyrazolin-5-one
233-006-9
C16H14N4O2
294.30796
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