Clonitazene

2-[2-(4-chlorobenzyl)-5-nitro-benzimidazol-1-yl]ethyl-diethyl-amine

2-(4-Chlorobenzyl)-1-(2-diethylaminoethyl)-5-nitro-1H-benzimidazole

2-[2-[(4-chlorophenyl)methyl]-5-nitrobenzimidazol-1-yl]-N,N-diethylethanamine

2-[2-[(4-chlorophenyl)methyl]-5-nitro-benzimidazol-1-yl]-N,N-diethyl-ethanamine