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发明人唐晓军,赵玉洁,黄志刚. "Method for the Synthesis of 2,7-Dichloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 112369800 A, 授权公告日 2018-09-15.
发明人孙丽萍,徐明华,郑宇鹏. "A Process for Preparing High-Purity 2,7-Dichloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 116273443 A, 授权公告日 2025-05-24.
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