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发明人郭海燕,朱建伟,杨光. "Method for the Synthesis of 7-Methyl-2-(methylthio)pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 113466879 B, 授权公告日 2019-04-03.
Patel M V, Thompson G K, Roberts E F. "A Process for Preparing High-Purity 7-Methyl-2-(methylthio)pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one" [P]. US Patent, US 11009706 B2, 2016-01-22.
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