发明人李文辉,张德明,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108374052 A, 授权公告日 2018-11-23.
发明人黄志刚,朱建伟,徐明华. "Method for the Synthesis of Ethyl 2-((7-oxo-5-propyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)thio)acetate" [P]. 中国发明专利, 专利号 CN 113946832 A, 授权公告日 2018-07-17.
发明人王建平,徐明华,郭海燕. "A Process for Preparing High-Purity Ethyl 2-((7-oxo-5-propyl-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-yl)thio)acetate" [P]. 中国发明专利, 专利号 CN 113388906 A, 授权公告日 2018-09-14.
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