2-[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2S)-2-methyl-4-oxo-1-sulfoazetidin-3-yl]amino]-2-oxoethylidene]amino]oxy-2-methylpropanoic acid

2-[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[[(2S)-2-methyl-4-oxo-1-sulfoazetidin-3-yl]amino]-2-oxoethylidene]amino]oxy-2-methylpropanoic acid