发明人张德明,徐明华,王建平. "Method for the Synthesis of (S)-2-(3-Isobutyl-2-oxopiperazin-1-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110093130 A, 授权公告日 2019-11-01.
O'Brien P Q, Roberts E F, Stevens L M. "A Process for Preparing High-Purity (S)-2-(3-Isobutyl-2-oxopiperazin-1-yl)acetic acid" [P]. US Patent, US 9829007 B2, 2021-03-03.
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