CAS No:79368-95-9 ||Chemical Formula:C18H19N5O7S2 ||Molecular Weight:481.49800 ||Exact Mass:481.07259 ||(6R,7R)-7-[[(Z)-2-(2-aminothiazol-4-yl)-2-[(2-ethoxy-2-oxoethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid