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发明人钱学锋,唐晓军,韩伟. "Method for the Synthesis of 9-Bromo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 116449255 B, 授权公告日 2016-08-11.
发明人高志强,沈红梅,刘建华. "A Process for Preparing High-Purity 9-Bromo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 116200752 B, 授权公告日 2020-06-12.
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