发明人林芳,罗永刚,陈志强. "Method for the Synthesis of 1-(2-(Cyclopentylamino)-2-oxoethyl)-3,6-dicyclopropyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115164755 A, 授权公告日 2022-12-07.
发明人何建平,钱学锋,马晓峰. "A Process for Preparing High-Purity 1-(2-(Cyclopentylamino)-2-oxoethyl)-3,6-dicyclopropyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117519419 A, 授权公告日 2019-04-26.
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