6-(1-hydroxyethyl)-2-((N-(2-hydroxyethyl)-N-methyl amino)thiocarbonylthio)-1-methyl-1-carbapen-2-em-3-carboxylate
6-(1-hydroxyethyl)-2-((n-(2-hydroxyethyl)-n-methyl amino)thiocarbonylthio)-1-methyl-1-carbapen-2-em-3-carboxylate