发明人陈志强,赵玉洁,李文辉. "Method for the Synthesis of Ethyl 2-amino-4-(2-nitrophenyl)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111795384 A, 授权公告日 2024-09-06.
发明人刘建华,韩伟,沈红梅. "A Process for Preparing High-Purity Ethyl 2-amino-4-(2-nitrophenyl)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115082333 B, 授权公告日 2018-11-18.
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