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Opioids (N02A) |
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Opium
derivatives |
Whole Opium
Preparations |
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| Natural Opiates |
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| Semisynthetics |
| Morphine Family |
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| 3,6 Diesters of Morphine |
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| Codeine-Dionine Family |
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| Morphinones |
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| Codeinones |
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| Dihydrocodeine Series |
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| Nitrogen Morphine Derivatives |
Codeine-N-Oxide • Heroin-N-Oxide • Hydromorphone-N-Oxide • Morphine-N-Oxide
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| Hydrazones |
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| Others |
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Active Opiate
Metabolites |
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| Morphinans |
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| Benzomorphans |
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| 4-Phenylpiperidines |
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Open Chain
Opioids |
| Amidones |
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| Methadols |
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| Moramides |
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| Thiambutenes |
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| Phenalkoxams |
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| Ampromides |
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| Others |
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| Anilidopiperidines |
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Oripavine
derivatives |
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| Phenazepines |
|
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| Pirinitramides |
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| Benzimidazoles |
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| Indoles |
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| Diphenylmethylpiperazines |
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Opioid peptides
see also: The Opioid Peptides |
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| Others |
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Opioid Antagonists
&
Inverse-Agonists |
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