Nielsen H, Lefèvre J P, Sørensen M. "Method for the Synthesis of 4-bromo-1-methyl-pyrazolo[4,3-c]pyridine-6-carboxylic acid" [P]. European Patent, EP 3001743 A1, 2025-10-18.
发明人张德明,陈志强,罗永刚. "A Process for Preparing High-Purity 4-bromo-1-methyl-pyrazolo[4,3-c]pyridine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113547229 A, 授权公告日 2024-05-24.
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