2,5-Bis(acetylamino)fluorene 2,5-Fluorenylenebisacetamide 22750-65-8 4-13-00-00449 (Beilstein Handbook Reference) ACETAMIDE, N,N'-FLUOREN-2,5-YLENEBIS- Acetamide, N,N'-9H-fluorene-2,5-diylbis- (9CI) BRN 3389894 N,N'-Fluoren-2,5-ylenebisacetamide NSC 12281