Dong-ling Yang

(2S,3R)-2-[(4-Ethyl-2,3-dioxopiperazin-1-yl)carbonylamino]-3-hydroxybutyric acid monohydrate

Cheng Guo, Chun-xiang Ji, Yong-tao Cui, 2008, Acta crystallographica. Section E, Structure reports online.