发明人赵玉洁,陈志强,杨光. "Method for the Synthesis of 7-Chloro-1H-pyrimido[4,5-d][1,3]oxazin-2(4H)-one" [P]. 中国发明专利, 专利号 CN 113041187 B, 授权公告日 2020-06-13.
发明人钱学锋,郑宇鹏,陈志强. "A Process for Preparing High-Purity 7-Chloro-1H-pyrimido[4,5-d][1,3]oxazin-2(4H)-one" [P]. 中国发明专利, 专利号 CN 110057570 B, 授权公告日 2025-08-12.
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