CAS No:N/A ||Chemical Formula:C20H23N5O7S2 ||Molecular Weight:509.55200 ||Exact Mass:509.10389 ||2-((((Z)-1-(2-aminothiazol-4-yl)-2-(((6R,7R)-2-(tert-butoxycarbonyl)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-en-7-yl)amino)-2-oxoethylidene)amino)oxy)acetic acid