发明人赵玉洁,徐明华,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115196625 A, 授权公告日 2024-09-02.
发明人黄志刚,张德明,胡光. "Method for the Synthesis of 2-Amino-4-(2-nitrophenyl)thiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116660338 B, 授权公告日 2020-03-27.
发明人朱建伟,郭海燕,张德明. "A Process for Preparing High-Purity 2-Amino-4-(2-nitrophenyl)thiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110748187 B, 授权公告日 2019-12-04.
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