QN NERVOUS SYSTEM
QN02 ANALGESICS
QN02A OPIOIDS
QN02AA Natural opium alkaloids
QN02AB Phenylpiperidine derivatives
QN02AC Diphenylpropylamine derivatives
QN02AD Benzomorphan derivatives
QN02AE Oripavine derivatives
QN02AF Morphinan derivatives
QN02AG Opioids in combination with antispasmodics
QN02AJ Opioids in combination with non-opioid analgesics
QN02AX Other opioids
Last updated: 2024-01-17