发明人何建平,马晓峰,冯建国. "Method for the Synthesis of 2,4-Dichloropyrido[4,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 110267754 A, 授权公告日 2024-03-13.
发明人韩伟,陈志强,周伟. "A Process for Preparing High-Purity 2,4-Dichloropyrido[4,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 117843304 B, 授权公告日 2018-10-22.
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