trigonelline molecular structure, 3d model molecule, zwitterion, structural chemical formula view from a microscope

trigonelline zwitterion alkaloid molecule molecular structure chemical formula model c7h7no2 atom chemistry metabolism skeletal herbal compound pea diabetes seed fenugreek atomic science coffee carbon drawing flat metabolite niacin composition medicine vitamin medical research organic laboratory oxygen hydrogen illustration biology ball methylated methylation lab structural view from microscope microscope