narcotoline

noun
nar·​co·​tol·​ine | \ ˈnär-kə-ˌtȯl-ˌēn How to pronounce narcotoline (audio) , -ˌtōl- How to pronounce narcotoline (audio) , -ən\

Medical Definition of narcotoline

: a crystalline alkaloid C21H21NO7 found in the seed capsules of the opium poppy