Assertion: narcotic analgesic | /r/HasProperty | derived
Facets:
value: from opium
type: OTHER
Source sentences:
text: The narcotic analgesics, also termed opioids, are all derived from opium.
text: The narcotic analgesics, also termed opioids, are all derived from opium.
text: Narcotic analgesics called opioids are derived from the drug opium.
text: Some narcotic analgesics are derived from opium.