1055-31-8 3H-Pyrazol-3-one,4-[(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene)amino]-1,2-dihydro-1,5-dimethyl-2-phenyl- 3H-Pyrazol-3-one,4-[(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene)amino]-1,2-dihydro-1,5-dimethyl-2-phenyl-

Synonyms：Antipyrine,4-[(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-ylidene)amino]- (7CI,8CI); Methylrubazoic acid; Methylrubazonic acid
CAS Number：1055-31-8
Molecular Formula：C₂₁H₁₉N₅O₂
Molecular Structure：
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