potassium,(2S,5R,6R)-6-[[2-[[(E)-4-methoxy-4-oxobut-2-en-2-yl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate

(R)-(-)-2-苯甘氨酰氯 盐酸盐

3-oxo-1,3-dihydroisobenzofuran-1-yl (2S,5R,6R)-3,3-dimethyl-7-oxo-6-(2-phenylacetamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate