发明人王建平,杨光,韩伟. "Method for the Synthesis of 6-Nitro-1H-indol-4-amine" [P]. 中国发明专利, 专利号 CN 112190190 B, 授权公告日 2018-10-13.
Björnsson E, Lefèvre J P, Schröder R. "A Process for Preparing High-Purity 6-Nitro-1H-indol-4-amine" [P]. European Patent, EP 3036392 A1, 2021-06-03.
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