发明人张德明,胡光,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114402786 A, 授权公告日 2022-09-03.
发明人郑宇鹏,李文辉,张德明. "Method for the Synthesis of 1-methyl-3-prop-1-ynyl-pyrazolo[3,4-c]pyridine-4-carbaldehyde" [P]. 中国发明专利, 专利号 CN 113242216 A, 授权公告日 2022-01-12.
发明人刘建华,朱建伟,赵玉洁. "A Process for Preparing High-Purity 1-methyl-3-prop-1-ynyl-pyrazolo[3,4-c]pyridine-4-carbaldehyde" [P]. 中国发明专利, 专利号 CN 114488378 A, 授权公告日 2021-09-05.
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