Sub Group: Heterocyclic Compounds Catalog Number: 8168 Formula: C19H27ClN6O6S2 CAS Number: 123171-59-5 Molecular Weight: 535.04 Synonyms: 1-[[(6R,7R)-7-[[(2Z)-(2-Amino-4-thiazolyl)(methoxyimino)acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2