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发明人张德明,沈红梅,黄志刚. "Method for the Synthesis of 1-Ethyl-4-((tetrahydro-2H-pyran-4-yl)amino)-1H-pyrazolo[3,4-b]pyridine-5-carbohydrazide dihydrochloride" [P]. 中国发明专利, 专利号 CN 117972915 B, 授权公告日 2017-01-18.
Rossi M, Mueller T C, Kowalski A. "A Process for Preparing High-Purity 1-Ethyl-4-((tetrahydro-2H-pyran-4-yl)amino)-1H-pyrazolo[3,4-b]pyridine-5-carbohydrazide dihydrochloride" [P]. European Patent, EP 3293326 A1, 2017-09-15.
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