发明人胡光,郑宇鹏,罗永刚. "Method for the Synthesis of 5,6-Dihydropyrimido[4,5-d]pyrimidin-2-ol" [P]. 中国发明专利, 专利号 CN 113822446 B, 授权公告日 2023-08-17.
发明人何建平,胡光,杨光. "A Process for Preparing High-Purity 5,6-Dihydropyrimido[4,5-d]pyrimidin-2-ol" [P]. 中国发明专利, 专利号 CN 115378282 A, 授权公告日 2023-05-26.
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