(5R,6S)-3-((2-(Formimidoylamino)ethyl)thio)-6-((R)-1-hydroxyethyl)-7-oxo-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid monohydrate 1-Azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, 6-(1-hydroxyethyl)-3-((2-((iminomethyl)amino)ethyl)thio)-7-oxo-, monohydrate, (5R-(5alpha,6alpha(R*)))- 74431-23-5 IMIPENEM Imipenem [USAN:BAN:INN:JAN] Imipenem-1-wasser Primaxin Zienam