Schröder R, Klinger H, Anderson J P. "一种的合成方法" [P]. US Patent, US 10514285 B2, 2018-09-20.
发明人黄志刚,胡光,赵玉洁. "Method for the Synthesis of 2-Ethyl-5-mercapto-6-propyl-2H-pyrazolo[4,3-d]pyrimidin-7(6H)-one" [P]. 中国发明专利, 专利号 CN 117403352 B, 授权公告日 2017-01-19.
发明人杨光,孙丽萍,马晓峰. "A Process for Preparing High-Purity 2-Ethyl-5-mercapto-6-propyl-2H-pyrazolo[4,3-d]pyrimidin-7(6H)-one" [P]. 中国发明专利, 专利号 CN 112323622 B, 授权公告日 2019-12-19.
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