发明人唐晓军,马晓峰,李文辉. "Method for the Synthesis of Ethyl 2-amino-5-(2-chlorophenyl)-4-methylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113196263 A, 授权公告日 2020-01-12.
发明人赵玉洁,郑宇鹏,陈志强. "A Process for Preparing High-Purity Ethyl 2-amino-5-(2-chlorophenyl)-4-methylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114356802 B, 授权公告日 2019-09-10.
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