发明人朱建伟,冯建国,罗永刚. "Method for the Synthesis of 2-[6-(1-ethyl-1h-pyrazol-4-yl)-3-methyl-4-(trifluoromethyl)-1h-pyrazolo[3,4-b]pyridin-1-yl]acetic acid" [P]. 中国发明专利, 专利号 CN 111455997 B, 授权公告日 2015-02-15.
发明人周伟,胡光,杨光. "A Process for Preparing High-Purity 2-[6-(1-ethyl-1h-pyrazol-4-yl)-3-methyl-4-(trifluoromethyl)-1h-pyrazolo[3,4-b]pyridin-1-yl]acetic acid" [P]. 中国发明专利, 专利号 CN 109960897 B, 授权公告日 2021-02-05.
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