(5R,6S)-3-[2-(aminomethylideneamino)ethylsulfanyl]-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid hydrate (5R,6S)-3-[2-(aminomethyleneamino)ethylsulfanyl]-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid hydrate (5R,6S)-3-[2-(aminomethyleneamino)ethylthio]-6-(1-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid hydrate (5R,6S)-3-[2-(aminomethyleneamino)ethylthio]-6-(1-hydroxyethyl)-7-keto-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid hydrate MK-0787 IPM Imipemide D00206 Imipenem (USP) Imipenem hydrate Imipenem hydrate (JP15)