(6R,7R)-3-Acetoxymethyl-7-(2-cyanacetamido)-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-2-carbonsaeure 10206-21-0 7-(2-Cyanacetamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-en-2-carboxylat acetat (ester) 7-Cyanacetylamino-cephalosporansaeure Cefacetrile Cefacetrilo [INN-Spanish] Cefacetrilum [INN-Latin] Cephacetrile EINECS 233-508-8