CAS No:74228-11-8||Chemical Formula:C15H18N10O5S3 ||Molecular Weight:514.55400||Exact Mass:514.06238 ||(6R,7S)-7-methoxy-7-(2-((1-methyl-1H-tetrazol-5-yl)thio)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-Azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid