<unk>  (DXO) is a psychoactive drug of the morphinan class which acts as an antitussive or cough suppressant and dissociative hallucinogen. It is the dextrorotatory-stereoisomer of racemorphan, the levo-half being levorphanol.<unk>  is produced by O-demethylation of dextromethorphan by CYP2D6.<unk>  is an NMDA antagonist and contributes to the psychoactive effects of dextromethorphan.
Dextrorphan
Procaine
Tetracaine
Dextromethorphan
Articaine
Proxymetacaine
Ropivacaine
Levobupivacaine