CAS No:N/A||Chemical Formula:C50H54N18O16S4||Molecular Weight:1291.33200||Exact Mass:1290.28480||(6R,7R)-7-(2-(4-((2-(carboxy(2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)methyl)-5-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carbonyl)oxy)phenyl)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)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