发明人何建平,郭海燕,孙丽萍. "Method for the Synthesis of 3-(1-Carbamoyl-5-ethyl-3-methyl-1H-pyrazol-4-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 115884522 B, 授权公告日 2023-10-10.
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