英文别名
benzyl 2-beta-acetoxymethyl-2-alpha-methyl-(5R)penam-3-alpha-carboxylate 1,1-dioxide;benzyl (2S,3R,5R)-3-(acetyloxymethyl)-3-methyl-4,4,7-trioxo-4lambda6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate;benzyl (2S,3R,5R)-3-(acetyloxymethyl)-3-methyl-4,4,7-trioxo-4λ6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate