发明人李文辉,钱学锋,王建平. "Method for the Synthesis of 1-(4-Aminocyclohexyl)urea hydrochloride" [P]. 中国发明专利, 专利号 CN 113787920 B, 授权公告日 2019-09-20.
Schröder R, Björnsson E, Rossi M. "A Process for Preparing High-Purity 1-(4-Aminocyclohexyl)urea hydrochloride" [P]. European Patent, EP 3977735 A1, 2019-07-28.
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