2-(5-sulfamoylaminomethylpyrrolidin-3-ylthio)-6-(1-hydroxyethyl)-1-methylcarbapen-2-em-3-carboxylic acid
1-Azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, 3-(((3S,5S)-5-(((aminosulfonyl)amino)methyl)-3-pyrrolidinyl)thio)-6-((1R)-1-hydroxyethyl)-4-methyl-7-oxo-, (4R,5S,6S)-