发明人孙丽萍,李文辉,罗永刚. "Method for the Synthesis of 6-Chloro-2-(2,2-difluoroethyl)-3,4-dimethyl-2H-pyrazolo[3,4-b]pyridine" [P]. 中国发明专利, 专利号 CN 117805033 B, 授权公告日 2025-10-19.
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