发明人钱学锋,孙丽萍,冯建国. "Method for the Synthesis of 4-(1-Cyclohexyl-5-oxopyrrolidine-3-carboxamido)benzoic acid" [P]. 中国发明专利, 专利号 CN 108416368 A, 授权公告日 2021-06-19.
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