5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 3-(((aminocarbonyl)oxy)methyl)-7-((5-carboxy-5-(((4-methylphenyl)sulfonyl)amino)-1-oxopentyl)amino)-7-methoxy-8-oxo-, (6R-(6alpha,7alpha,7(R*)))-, compd. with N-cyclohexylcyclohexanamine (1:1) 83292-23-3 EINECS 280-369-4