7-(2-(2-amino-4-thiazolyl)acetamido)-3-(((2,5-dihydro-6-hydroxy-2-methyl-5-oxo-as-triazin-3-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid
7-(2-(2-amino-4-thiazolyl)acetamido)-3-(((2,5-dihydro-6-hydroxy-2-methyl-5-oxo-as-triazin-3-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid