CAS No:N/A||Chemical Formula:C22H19N3O6S||Molecular Weight:453.46900||Exact Mass:453.09946||3-nitrobenzyl(Z)-2-(3-benzyl-7-oxo-4-thia-2,6-diazabicyclo[3.2.0]hept-2-en-6-yl)-3-hydroxybut-2-enoate3-nitrobenzyl2-(3-benzyl-7-oxo-4-thia-2,6-diazabicyclo[3.2.0]hept-2-en-6-yl)-3-oxobutanoate