The molecule is a monobactam obtained by formal condensation of the carboxy group of (2R)-amino(4-hydroxyphenyl)acetic acid with the amino group of (2R)-[(3S)-3-amino-2-oxoazetidin-1-yl](4-hydroxyphenyl)acetic acid It has a role as a bacterial metabolite. It is a monobactam, a polyphenol, an oxo monocarboxylic acid and a secondary amino compound. It is a tautomer of a nocardicin G zwitterion.
(2R)-2-[(3S)-3-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-2-oxoazetidin-1-yl]-2-(4-hydroxyphenyl)acetic acid