发明人何建平,罗永刚,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109223888 A, 授权公告日 2023-10-26.
Björnsson E, Mueller T C, Nowak P. "Method for the Synthesis of Ethyl 2-(6-ethyl-3-methyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate" [P]. European Patent, EP 3872160 A1, 2020-11-24.
发明人刘建华,杨光,徐明华. "A Process for Preparing High-Purity Ethyl 2-(6-ethyl-3-methyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate" [P]. 中国发明专利, 专利号 CN 109514843 A, 授权公告日 2017-04-10.
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