发明人刘建华,高志强,罗永刚. "Method for the Synthesis of Methyl 4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116007308 A, 授权公告日 2017-07-02.
发明人沈红梅,郑宇鹏,胡光. "A Process for Preparing High-Purity Methyl 4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 112608179 A, 授权公告日 2023-11-21.
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