(antibiotic should also be classified by mechanisms of action as well as chemical class : cell wall cross-link inhibition, cell wall component synthesis, 50S ribosomal subunit, 30S ribosomanl subunit, DNA gyrase, antimetabolite, etc)
2.
The three component synthesis of the direct etonitazene precursor, 2-( 4-Ethoxybenzyl )-5-nitro-1H-benzoimidazole, consists of a 2-Bromo-or 2-Iodo-5-nitro-phenylamine ( 1.0 molar equivalent ), a 4-substituted benzaldehyde ( 1.2 equiv ), and sodium azide ( 2 equiv ).
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