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发明人胡光,韩伟,冯建国. "Method for the Synthesis of Ethyl 6-amino-5-cyano-2-[({5-cyano-[2,4'-bipyridine]-6-yl}sulfanyl)methyl]-4-(pyridin-3-yl)-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115145201 B, 授权公告日 2017-08-18.
发明人林芳,沈红梅,高志强. "A Process for Preparing High-Purity Ethyl 6-amino-5-cyano-2-[({5-cyano-[2,4'-bipyridine]-6-yl}sulfanyl)methyl]-4-(pyridin-3-yl)-4H-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109701040 B, 授权公告日 2022-02-21.
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