
1) Synthetic opioid
Found on
https://www.crosswordclues.com/clue/noracymethadol

Noracymethadol (INN) is a synthetic opioid analgesic related to methadone that was never marketed. In a clinical trial of postpartum patients it was reported to produce analgesia comparable to that of morphine but with less nausea, dizziness, and drowsiness. Other side effects included salivation, ataxia, and respiratory depression that was revers...
Found on
http://en.wikipedia.org/wiki/Noracymethadol
No exact match found.