Synonyms: 1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylicacid, 6-(1-hydroxyethyl)-3-[[2-[(iminomethyl)amino]ethyl]thio]-7-oxo-,monohydrate, [5R-[5a,6a(R*)]]-;1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,6-[(1R)-1-hydroxyethyl]-3-[[2-[(iminomethyl)amino]ethyl]thio]-7-oxo-,monohydrate, (5R,6S)- (9CI);Imipenem monohydrate;N-Formimidoyl thienamycinmonohydrate;