发明人孙丽萍,韩伟,郭海燕. "Method for the Synthesis of Methyl 2-(4-chlorobenzamido)-5-(diethylcarbamoyl)-4-methylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111578304 A, 授权公告日 2021-11-01.
发明人唐晓军,郑宇鹏,高志强. "A Process for Preparing High-Purity Methyl 2-(4-chlorobenzamido)-5-(diethylcarbamoyl)-4-methylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113206440 A, 授权公告日 2022-10-15.
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