发明人李文辉,马晓峰,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115644875 A, 授权公告日 2019-05-26.
发明人赵玉洁,徐明华,高志强. "Method for the Synthesis of 4-Methoxy-5-methyl-2-(piperidin-1-ylmethyl)thieno[2,3-d]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112012368 A, 授权公告日 2018-03-23.
发明人郭海燕,罗永刚,胡光. "A Process for Preparing High-Purity 4-Methoxy-5-methyl-2-(piperidin-1-ylmethyl)thieno[2,3-d]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115453423 B, 授权公告日 2022-01-18.
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