Benzimidazoles - K Hoffman, A Hunger – United States Patent 2935514 (issued 03-May-1960) -...
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Benzimidazoles - K Hoffman, A Hunger – United States Patent 2935514 (issued 03-May-1960) - BENZIMIDAZOLES as OPIOIDS -- Etonitazene & Clonitazene Synth -- (US Pat # 2935514) -- Hoffmann,
Benzimidazoles - K Hoffman, A Hunger – United States Patent 2935514 (issued 03-May-1960)Title: BenzimidazolesOriginal Swiss CIBA (Novartis) patent for etonitazene, clonitazene, nitazene
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