发明人赵玉洁,沈红梅,何建平. "Method for the Synthesis of 2-Amino-4-(4-methoxyphenyl)-5-(methylsulfonyl)thiophene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 108367227 B, 授权公告日 2020-08-06.
发明人朱建伟,胡光,何建平. "A Process for Preparing High-Purity 2-Amino-4-(4-methoxyphenyl)-5-(methylsulfonyl)thiophene-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 114264985 A, 授权公告日 2025-06-26.
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