英文同义词: | 4,4-dimethyl-1-phenyl-3-pyrazolidinon;4,4-Dimethyl-1-phenylpyrazolidin-3-one;1-Phenyl-4,4-dimethylpyrazolidine-3-one;4,4-Dimethyl-1-phenylpyrazolidone;4,4-Dimethyl-1-phenyl-3-pyrazolidone,99%;nsc215239;4,4-DIMETHYL-1-PHENYL-3-PYRAZOLIDINONE;4,4'-DIMETHYL-1-PHENYL-3-PYRAZOLIDONE |