The molecule is a member of guanidines, a beta-lactam, a monocarboxylic acid and a L-arginine derivative. It derives from a proclavaminic acid. It is a tautomer of a deoxyamidinoproclavaminic acid zwitterion.
(2S)-5-(diaminomethylideneamino)-2-(2-oxoazetidin-1-yl)pentanoic acid