Cephalotaxine24316-19-6100 % similar Harringtonine26833-85-260 % similar Homoharringtonine26833-87-460 % similar Erythraline466-77-333 % similar Bicuculline485-49-431 % similar Canadine522-97-431 % similar Corynoline18797-79-031 % similar Lycorine476-28-830 % similar