potassium (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate | CAS 113-98-4 | 95% In Stock | Price & 5–9 Day Delivery | MolGraph