Assertion: morphine | /r/HasProperty | prototypical opioid
Facets:
Source sentences:
text: Morphine is the prototypical opioid and is the standard against which other opioids are tested.
text: "Morphine is a highly potent opiate analgesic drug and is the principal active agent in opium and the prototypical opioid.
text: "Morphine (MS Contin, MSIR, Avinza, Kadian, Oramorph, Roxanol, Kapanol) is a potent opiate analgesic medication and is considered to be the prototypical opioid.