发明人朱建伟,张德明,孙丽萍. "Method for the Synthesis of 6,7-Dihydro-5H-cyclopenta[d]pyrimidine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114216197 A, 授权公告日 2021-03-01.
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