CAS No:N/A||Chemical Formula:C26H26N6O12S2||Molecular Weight:678.64400||Exact Mass:678.10501||5-(acetoxymethyl)-3-((6R,7R)-3-(acetoxymethyl)-7-(2-cyanoacetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbonyl)-2-(carboxy(2-cyanoacetamido)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid