发明人徐明华,朱建伟,周伟. "Method for the Synthesis of 2-Cyclopentyl-4-cyclopropyl-3-methyl-2H-pyrazolo[3,4-b]pyridin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 112980654 A, 授权公告日 2022-09-04.
发明人李文辉,刘建华,冯建国. "A Process for Preparing High-Purity 2-Cyclopentyl-4-cyclopropyl-3-methyl-2H-pyrazolo[3,4-b]pyridin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 114026493 B, 授权公告日 2015-08-03.
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