发明人郑宇鹏,赵玉洁,孙丽萍. "Method for the Synthesis of 7-Ethoxypyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 116214262 B, 授权公告日 2025-10-22.
发明人钱学锋,罗永刚,周伟. "A Process for Preparing High-Purity 7-Ethoxypyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 114579740 B, 授权公告日 2019-09-21.
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