英文名称: | 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-phenyl-, ethyl ester | 1-Phenyl-5-oxo-2-pyrazoline-3-carboxylic acid, ethyl ester | 4,5-dihydro-5-oxo-1-phenyl-1h-pyrazole-3-carboxylic aci ethyl ester | ethyl 1-phenyl-5-pyrazolinone-3-carboxylate | carbethoxypyrazolone | 1H-Pyrazole-3-carboxylic acid,4,5-dihydro-5-oxo-1-phenyl-,ethyl ester | 1-Phenyl-5-oxo-2-pyrazoline-3-carboxylic acid,ethyl ester |
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