发明人钱学锋,刘建华,徐明华. "Method for the Synthesis of 4-Methyl-2-(pyrrolidin-1-yl)-6,7-dihydro-5H-cyclopenta[d]pyrimidine" [P]. 中国发明专利, 专利号 CN 116962065 A, 授权公告日 2020-02-10.
发明人郭海燕,韩伟,杨光. "A Process for Preparing High-Purity 4-Methyl-2-(pyrrolidin-1-yl)-6,7-dihydro-5H-cyclopenta[d]pyrimidine" [P]. 中国发明专利, 专利号 CN 111368063 A, 授权公告日 2023-04-08.
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