发明人郑宇鹏,沈红梅,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116635335 A, 授权公告日 2022-02-10.
发明人郭海燕,周伟,胡光. "Method for the Synthesis of Ethyl 3-amino-6-(difluoromethyl)-4-methylthieno[2,3-b]pyridine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114485880 B, 授权公告日 2025-07-22.
发明人王建平,沈红梅,高志强. "A Process for Preparing High-Purity Ethyl 3-amino-6-(difluoromethyl)-4-methylthieno[2,3-b]pyridine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112160190 A, 授权公告日 2021-01-22.
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