CAS No:N/A ||Chemical Formula:C16H21N7O7S3 ||Molecular Weight:519.56600 ||Exact Mass:519.06646||(6R,7S)-7-(2-(((S)-2-amino-2-carboxyethyl)thio)acetamido)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid