Senecionine130-01-8100 % similar Seneciphylline480-81-965 % similar Senecionine N-oxide13268-67-260 % similar Acetylseneciphylline90341-45-057 % similar Monocrotaline315-22-051 % similar Seneciphylline N-oxide38710-26-838 % similar Acetylseneciphylline N-oxide123844-00-833 % similar