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

(N-methylbenzamido)methyl 2-propylpentanoate

N,N-二甲基苯甲酰胺

苯甲酰氯

(N-methylbenzamido)methyl benzoate