发明人徐明华,孙丽萍,赵玉洁. "Method for the Synthesis of 4-methyl-1H-pyrazolo[4,3-c]pyridine" [P]. 中国发明专利, 专利号 CN 115377591 B, 授权公告日 2020-08-12.
发明人徐明华,朱建伟,黄志刚. "A Process for Preparing High-Purity 4-methyl-1H-pyrazolo[4,3-c]pyridine" [P]. 中国发明专利, 专利号 CN 111794827 A, 授权公告日 2019-10-28.
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