The molecule is conjugate base of nocardicin E. It is a conjugate base of a nocardicin E. It is a conjugate acid of a nocardicin E(2-).
(2R)-2-[(3S)-3-[[(2Z)-2-hydroxyimino-2-(4-hydroxyphenyl)acetyl]amino]-2-oxoazetidin-1-yl]-2-(4-hydroxyphenyl)acetate