Jørgensen K, Rossi M, Kowalski A. "Method for the Synthesis of Ethyl 4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carboxylate dihydrochloride" [P]. European Patent, EP 3961568 A1, 2020-02-14.
发明人王建平,唐晓军,黄志刚. "A Process for Preparing High-Purity Ethyl 4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carboxylate dihydrochloride" [P]. 中国发明专利, 专利号 CN 116424269 A, 授权公告日 2024-01-26.
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