Roberts E F, Chen K W, Hughes D C. "一种的合成方法" [P]. US Patent, US 10630756 B2, 2021-01-05.
发明人赵玉洁,高志强,冯建国. "Method for the Synthesis of Methyl 3-((7-ethyl-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)thio)propanoate" [P]. 中国发明专利, 专利号 CN 117700089 A, 授权公告日 2025-03-08.
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