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发明人杨光,钱学锋,李文辉. "Method for the Synthesis of 1,3-Dimethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-6-ol" [P]. 中国发明专利, 专利号 CN 112276080 A, 授权公告日 2022-11-10.
发明人唐晓军,韩伟,徐明华. "A Process for Preparing High-Purity 1,3-Dimethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-6-ol" [P]. 中国发明专利, 专利号 CN 116815834 B, 授权公告日 2021-07-25.
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