DIPHENYLMETHYL (6R,7R)-7-AMINO-8-OXO-5-THIA-1-AZABICYCLO[4.2.0]OCT-2-ENE-2-CARBOXYLATE

This compound is a chiral pharmaceutical intermediate used in the manufacturing of cephalosporin antibiotics. Its structure features a beta-lactam ring fused to a dihydrothiazine ring, characteristic of the cephalosporin class.