发明人王建平,马晓峰,罗永刚. "Method for the Synthesis of 4-chloro-1-methyl-pyrazolo[4,3-c]pyridine-6-carbonyl chloride" [P]. 中国发明专利, 专利号 CN 111321983 A, 授权公告日 2018-01-26.
Schröder R, Jørgensen K, Nowak P. "A Process for Preparing High-Purity 4-chloro-1-methyl-pyrazolo[4,3-c]pyridine-6-carbonyl chloride" [P]. European Patent, EP 3574117 A1, 2023-01-10.
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