发明人王建平,钱学锋,李文辉. "Method for the Synthesis of 6-Amino-2-methoxy-5-(4-methylbenzenesulfonyl)pyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 110956020 B, 授权公告日 2025-07-17.
发明人杨光,钱学锋,朱建伟. "A Process for Preparing High-Purity 6-Amino-2-methoxy-5-(4-methylbenzenesulfonyl)pyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 110036328 A, 授权公告日 2025-12-19.
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