2-azetidinecarboxylic acid

2-azetidinecarboxylic acid

[¦tü ə‚zed·ə‚dēn·ə‚kär‚bäk′sil·ik ′as·əd] (biochemistry) C4H7NO2 Crystals which discolor at 200°C and darken until 310°C; soluble in water; a specific antagonist ofL-proline; used in the production of abnormally high-molecular-weight polypeptides.