2',2'''-Dinitro-4',4'''-oxybisacetanilide 3070-87-9 4',4'''-Oxybis[2'-nitroacetanilide] 4,4'-Diacetamido-3,3'-dinitrophenyl ether Acetamide, N,N'-[oxybis(2-nitro-4,1-phenylene)]bis- Acetanilide, 4',4'''-oxybis[2'-nitro- NSC47660