Schröder R, Martínez F, Kowalski A. "一种1-(3-Nitrophenyl)-3-(piperidin-4-yl)urea hydrochloride的合成方法" [P]. European Patent, EP 3903289 A1, 2025-05-18.
发明人徐明华,马晓峰,王建平. "Method for the Synthesis of 1-(3-Nitrophenyl)-3-(piperidin-4-yl)urea hydrochloride" [P]. 中国发明专利, 专利号 CN 112000226 A, 授权公告日 2018-06-21.
发明人钱学锋,周伟,刘建华. "A Process for Preparing High-Purity 1-(3-Nitrophenyl)-3-(piperidin-4-yl)urea hydrochloride" [P]. 中国发明专利, 专利号 CN 108231927 A, 授权公告日 2018-12-16.
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