发明人林芳,唐晓军,赵玉洁. "Method for the Synthesis of Methyl 6-nitro-1H-indazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111373186 B, 授权公告日 2020-05-09.
Lefèvre J P, Sørensen M, Björnsson E. "A Process for Preparing High-Purity Methyl 6-nitro-1H-indazole-5-carboxylate" [P]. European Patent, EP 3154115 A1, 2019-08-14.
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