CAS No:N/A |Chemical Formula: C25H27N9O9S2 |Molecular Weight: 661.66500 |Exact Mass: 661.13731 |(6R,7R)-7-(2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)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 5-oxide