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发明人郭海燕,韩伟,胡光. "Method for the Synthesis of Ethyl 2-(7-(3-fluorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl)acetate" [P]. 中国发明专利, 专利号 CN 116437427 B, 授权公告日 2017-07-05.
发明人赵玉洁,钱学锋,陈志强. "A Process for Preparing High-Purity Ethyl 2-(7-(3-fluorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl)acetate" [P]. 中国发明专利, 专利号 CN 114696980 A, 授权公告日 2015-03-27.
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