发明人钱学锋,刘建华,马晓峰. "Method for the Synthesis of 2,6-Diamino-4-(pyridin-3-yl)-4H-thiopyran-3,5-dicarbonitrile" [P]. 中国发明专利, 专利号 CN 113103352 B, 授权公告日 2020-04-11.
发明人张德明,马晓峰,陈志强. "A Process for Preparing High-Purity 2,6-Diamino-4-(pyridin-3-yl)-4H-thiopyran-3,5-dicarbonitrile" [P]. 中国发明专利, 专利号 CN 111081736 A, 授权公告日 2017-01-27.
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