Norlevorphanol is the levo-isomer of 3-hydroxymorphinan (morphinan-3-ol). It is is an opioid analgesic of the morphinan family. Norlevorphanol is a Schedule I controlled substance (opiate).

Norlevorphanol:
https://drugs.ncats.io/drug/IL94262N7K

Synthetic opioid analgesic that was never marketed. In 2014 it had an annual aggregate manufacturing quota of 52 grams.