发明人赵玉洁,陈志强,张德明. "Method for the Synthesis of 3-(6-Nitro-1h-indazol-1-yl)propanoic acid" [P]. 中国发明专利, 专利号 CN 108439878 A, 授权公告日 2024-01-10.
Björnsson E, Schröder R, Nielsen H. "A Process for Preparing High-Purity 3-(6-Nitro-1h-indazol-1-yl)propanoic acid" [P]. European Patent, EP 3623651 A1, 2020-01-26.
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