aspidospermine

noun

as·​pi·​do·​sper·​mine -ˈspər-ˌmēn, -mən 

: a bitter crystalline alkaloid C₂₂H₃₀N₂O₂ that is obtained from quebracho bark and was formerly used in the form of its sulfate as a respiratory stimulant and antispasmodic and as an antipyretic in typhoid fever