Nalbuphine |
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| EN-2234A; Nalbuphine Hydrochloride; Nubain; EN 2234A; EN2234A; Hydrochloride, Nalbuphine | |
| A narcotic used as a pain medication. It appears to be an agonist at kappa opioid receptors and an antagonist or partial agonist at mu opioid receptors. | |