Answer: brucines

AnswerCrossword Clue
brucineswhite, crystalline, bitter, slightly water-soluble, very poisonous alkaloid, C23H26N2O4, obtained from the nux vomica tree Strychnos nux-vomica, and from other species of the same genus, resembling but no
brucinesBRUCINE, a poisonous alkaloid, also BRUCIN