发明人孙丽萍,何建平,钱学锋. "Method for the Synthesis of 3-(1,5-Dimethyl-1H-pyrazol-4-yl)-3-oxo-propionic acid methyl ester" [P]. 中国发明专利, 专利号 CN 114474400 A, 授权公告日 2019-04-17.
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