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发明人郭海燕,沈红梅,钱学锋. "Method for the Synthesis of Potassium 5,7-dimethyl-4-oxo-3,4-dihydropyrido-[2,3-d]pyrimidine-2-thiolate" [P]. 中国发明专利, 专利号 CN 110642931 A, 授权公告日 2020-03-25.
发明人唐晓军,林芳,李文辉. "A Process for Preparing High-Purity Potassium 5,7-dimethyl-4-oxo-3,4-dihydropyrido-[2,3-d]pyrimidine-2-thiolate" [P]. 中国发明专利, 专利号 CN 113986731 A, 授权公告日 2024-06-28.
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