1 O6P Doripenem 1.000 2 MEM (4r,5s,6s)-3-{[(3s,5s)-5-(dimethylcarbamoyl)pyrrolidin-3-yl]sulfanyl}-6-[(1r)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid 0.767 3 6H7 (1s,4r,5s,6s)-3-{[(3s,5s)-5-carbamoylpyrrolidin-3-yl]sulfanyl}-6-[(1r)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid 0.759