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发明人黄志刚,周伟,郑宇鹏. "Method for the Synthesis of 6-Ethyl-1-methyl-3-(prop-2-yn-1-yl)-5-propoxypyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 113490716 B, 授权公告日 2023-05-27.
发明人黄志刚,郭海燕,徐明华. "A Process for Preparing High-Purity 6-Ethyl-1-methyl-3-(prop-2-yn-1-yl)-5-propoxypyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 109941562 B, 授权公告日 2023-04-14.
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