发明人赵玉洁,胡光,唐晓军. "Method for the Synthesis of 5-bromo-1-ethyl-1H-pyrazolo[3,4-b]pyridine" [P]. 中国发明专利, 专利号 CN 110635180 B, 授权公告日 2021-01-20.
Johansson L, Björnsson E, Martínez F. "A Process for Preparing High-Purity 5-bromo-1-ethyl-1H-pyrazolo[3,4-b]pyridine" [P]. European Patent, EP 3957755 A1, 2017-08-26.
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