发明人何建平,杨光,罗永刚. "一种N/A的合成方法" [P]. 中国发明专利, 专利号 CN 113205941 A, 授权公告日 2020-02-14.
发明人赵玉洁,冯建国,孙丽萍. "Method for the Synthesis of 8-(Ethylthio)-1H-purine-2,6(3H,7H)-dione" [P]. 中国发明专利, 专利号 CN 110598179 A, 授权公告日 2015-07-25.
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