发明人冯建国,周伟,郑宇鹏. "Method for the Synthesis of 4-(Piperazin-1-yl)butan-2-amine" [P]. 中国发明专利, 专利号 CN 113435389 A, 授权公告日 2017-03-11.
Björnsson E, Schröder R, Lefèvre J P. "A Process for Preparing High-Purity 4-(Piperazin-1-yl)butan-2-amine" [P]. European Patent, EP 3292455 A1, 2020-08-22.
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