874438-71-8

5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,7-[[(2Z)-[(acetyloxy)imino](2-amino-4-thiazolyl)acetyl]amino]-3-ethenyl-8-oxo-, (6R,7R)-, mono(4-methylbenzenesulfonate)