发明人郑宇鹏,刘建华,陈志强. "Method for the Synthesis of 2,9-Dimethylhexahydro-1H-pyrido[1,2-a]pyrimidin-4(6H)-one" [P]. 中国发明专利, 专利号 CN 109820375 B, 授权公告日 2025-10-11.
发明人韩伟,陈志强,赵玉洁. "A Process for Preparing High-Purity 2,9-Dimethylhexahydro-1H-pyrido[1,2-a]pyrimidin-4(6H)-one" [P]. 中国发明专利, 专利号 CN 111324053 B, 授权公告日 2022-06-09.
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