Assertion: alkaloid | /r/HasProperty | morphine
Facets:
Source sentences:
text: Some alkaloids that have played an important role in this sense include aconi-tine, atropine, colchicine, coniine, ephedrine, ergotamine, mescaline, morphine, strychnine, psilocin and psilocybin.
text: Other alkaloids include nicotine, caffeine, and morphine.