英文同义词: | 4-HYDROXYANTIPYRINE;4-HYDROXY-2,3-DIMETHYL-1-PHENYL-3-PYRAZOLIN-5-ONE;1,5-Dimethyl-2-phenyl-4-hydroxy-4-pyrazoline-3-one;2,3-Dihydro-4-hydroxy-1,5-dimethyl-2-phenyl-1H-pyrazol-3-one;4-hydroxy-1,5-dimethyl-2-phenyl-pyrazol-3-one;4-hydroxy-1,5-dimethyl-2-phenylpyrazol-3-one;NSC 174055;4-Hydroxy-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one |