发明人李文辉,罗永刚,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115168697 A, 授权公告日 2019-05-11.
发明人马晓峰,杨光,郭海燕. "Method for the Synthesis of 6-Ethyl-2-(trifluoromethyl)-1H-purine" [P]. 中国发明专利, 专利号 CN 114767224 A, 授权公告日 2017-09-21.
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