发明人郭海燕,杨光,郑宇鹏. "Method for the Synthesis of 4-Bromo-2-methylpyrido[4,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 115908708 B, 授权公告日 2024-01-27.
发明人王建平,何建平,高志强. "A Process for Preparing High-Purity 4-Bromo-2-methylpyrido[4,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 117673141 A, 授权公告日 2025-01-11.
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