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CAS号: 99115-76-1 英文名称: ethyl 5-oxo-4,5-dihydro-1H-pyrazole-4-carboxylate 英文同义词: ethyl 5-oxo-4,5-dihydro-1H-pyrazole-4-carboxylate;5-Oxo-4,5-dihydro-1H-pyrazole-4-carboxylic acid ethyl ester 中文名称: 中文同义词: 分子式: C6H8N2O3 分子量: 156.13932