发明人张德明,冯建国,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112046746 A, 授权公告日 2020-11-09.
发明人郭海燕,朱建伟,何建平. "Method for the Synthesis of 4-(Difluoromethyl)-2-propyl-2H-pyrazolo[3,4-b]pyridin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 109995362 B, 授权公告日 2016-06-27.
发明人孙丽萍,刘建华,马晓峰. "A Process for Preparing High-Purity 4-(Difluoromethyl)-2-propyl-2H-pyrazolo[3,4-b]pyridin-6(7H)-one" [P]. 中国发明专利, 专利号 CN 117434371 A, 授权公告日 2025-12-06.
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