Martínez F, Nowak P, Johansson L. "Method for the Synthesis of tert-Butyl (2S,6R)-6-formyl-2-isobutyl-3-oxopiperazine-1-carboxylate" [P]. European Patent, EP 3792536 A1, 2016-01-25.
发明人郭海燕,刘建华,马晓峰. "A Process for Preparing High-Purity tert-Butyl (2S,6R)-6-formyl-2-isobutyl-3-oxopiperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 115112874 A, 授权公告日 2023-06-06.
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