CAS No:N/A||Chemical Formula:C18H23N9O5S3 ||Molecular Weight:541.62000||Exact Mass:541.09843||(6R,7R)-7-(2-(2-aminothiazol-4-yl)acetamido)-3-(((1-(2-(dimethylamino)ethyl)-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide