发明人杨光,林芳,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113895963 A, 授权公告日 2022-05-26.
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发明人张德明,钱学锋,孙丽萍. "A Process for Preparing High-Purity 3-Nitro-1H-pyrrolo[2,3-c]pyridine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111251268 A, 授权公告日 2022-05-08.
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