发明人何建平,周伟,杨光. "Method for the Synthesis of 2-Amino-N-(4-nitrophenyl)thiophene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 112030890 B, 授权公告日 2017-03-03.
Schröder R, Sørensen M, Nielsen H. "A Process for Preparing High-Purity 2-Amino-N-(4-nitrophenyl)thiophene-3-carboxamide" [P]. European Patent, EP 3940874 A1, 2015-01-24.
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