DEA No. 9624, 2-(4-ethoxy-benzyl)-1-(2-diethylamino-ethyl)-5-nitro-1H-benzimidazole, Etonitazene, {2-[2-(4-ethoxy-benzyl)-5-nitro-benzoimidazol-1-yl]-ethyl}-diethyl-amine, Etonitazeno [INN-Spanish], NIH 7607, 2-(2-(4-ethoxybenzyl)-5-nitro-1H-benzo[d]imidazol-1-yl)-N,N-diethylethanamine, Ciba 20-684BA, Etonitazine, Etonitazenum [INN-Latin], ARC 1G2, Etonitazinum, Etonitazene [INN:BAN:DCF], 2-(4-Aethoxy-benzyl)-1-(2-diaethylamino-aethyl)-5-nitro-1H-benzimidazol