(4R,5S,6S)-3-[(3S,5S)-5-Dimethylcarbamoylpyrrolidin-3-ylthio]-6- [(R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene- 2-carboxylic acid 96036-03-2 AIDS-007788 AIDS007788 ICI 194660 Meropenem Meropenem anhydrous SM-7338