erythroidine

noun

er·​y·​thro·​i·​dine ˌer-ə-ˈthrō-ə-ˌdēn  -əd-ᵊn 

: an alkaloid C₁₆H₁₉NO₃ obtained from leguminous plants (genus Erythrina) as a mixture of stereoisomers

especially : the beta form of erythroidine that possesses curariform activity and acts as a depressant of the central nervous system