发明人王建平,朱建伟,杨光. "Method for the Synthesis of 4-Amino-2-((4-chlorophenyl)amino)-5-(3-chlorothiophene-2-carbonyl)thiophene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 108919086 B, 授权公告日 2021-05-12.
发明人马晓峰,高志强,何建平. "A Process for Preparing High-Purity 4-Amino-2-((4-chlorophenyl)amino)-5-(3-chlorothiophene-2-carbonyl)thiophene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 117953169 A, 授权公告日 2018-11-03.
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