发明人杨光,郭海燕,唐晓军. "Method for the Synthesis of 1-(Tetrahydro-pyran-2-yl)-1H-indazole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110092658 B, 授权公告日 2020-01-25.
发明人张德明,沈红梅,何建平. "A Process for Preparing High-Purity 1-(Tetrahydro-pyran-2-yl)-1H-indazole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117847118 A, 授权公告日 2023-05-04.
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