[Synonyms]
PS 5 (5R,6R)-3-[2-(Acetylamino)ethylthio]-6-ethyl-7-oxo-1-azabicyclo[3.2.0]hepta-2-ene-2-carboxylic acid (5R,5β)-3-[[2-(Acetylamino)ethyl]thio]-6β-ethyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid 1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 3-[[2-(acetylamino)ethyl]thio]-6-ethyl-7-oxo-, (5R,6R)- |