发明人赵玉洁,徐明华,冯建国. "Method for the Synthesis of Ethyl 7-[(E)-2-(dimethylamino)vinyl]-2-(ethylthio)-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 117803559 B, 授权公告日 2020-01-14.
发明人赵玉洁,徐明华,李文辉. "A Process for Preparing High-Purity Ethyl 7-[(E)-2-(dimethylamino)vinyl]-2-(ethylthio)-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 108341913 B, 授权公告日 2015-11-08.
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