发明人赵玉洁,何建平,黄志刚. "Method for the Synthesis of 3-[2-methyl-6-oxo-4-(trifluoromethyl)-2h,6h,7h-pyrazolo[3,4-b]pyridin-7-yl]propanoic acid" [P]. 中国发明专利, 专利号 CN 114901726 A, 授权公告日 2021-04-05.
发明人韩伟,唐晓军,冯建国. "A Process for Preparing High-Purity 3-[2-methyl-6-oxo-4-(trifluoromethyl)-2h,6h,7h-pyrazolo[3,4-b]pyridin-7-yl]propanoic acid" [P]. 中国发明专利, 专利号 CN 111783992 A, 授权公告日 2016-06-14.
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