Metethoheptazine

Metethoheptazine (WY-535) is an opioid analgesic from the phenazepine family. It was invented in the 1960s.^[1]

Metethoheptazine produces similar effects to other opioids, including analgesia, sedation, dizziness and nausea.

References

↑ Walkenstein SS, Corradino RA, Wiser R, Gudmundsen CH. Metabolism of the Non-Narcotic Analgesic, WY-535. Biochemical Pharmacology. 1965 Feb;14:121-8.