基本信息:中文名稱 5-氧代-4,5-二氫-1H-吡唑-3-羧酸乙酯英文名稱 ethyl 5-oxo-1,4-dihydropyrazole-3-carboxylate英文別名 ethyl pyrazol-5-one-3-carboxylate;5-oxo-2-pyrazoline-3-carboxylic acid,ethyl ester;5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester;3-(carboethoxy)-2-pyrazolin-5-one;ethyl 4,5-dihydro-5-oxo-1H-pyrazole-3-carboxylate;HMS3089L10;CAS號 58607-90-2合成路線:1.通過草酰乙酸二乙酯合成5-氧代-4,5-二氫-1H-吡唑-3-羧酸乙酯,收率約70%;