Racemorphan
Racemorphan, or morphanol, is the racemic mixture of the two stereoisomers of 17-methylmorphinan-3-ol, each with differing pharmacology and effects: Dextrorphan – an antitussive and dissociative hallucinogen (NMDA receptor antagonist) Levorphanol – an opioid analgesic Its analgesic activity is intermediate between Dextrorphan and Levorphanol. Racemorphan itself is under international control per the Single Convention on Narcotic Drugs 1961 and is therefore listed as a Schedule II Narcotic controlled substance in the US Controlled Substances Act 1970; it has an ACSCN of 9733 and in 2014 it had an aggregate annual manufacturing quota of zero.