3d image of pyranocoumarin skeletal formula

pyranocoumarin herbal phytochemical phytotherapy plant herb natural herbalism pharmacognosy pharmacopoeia metabolite metabolism biosynthesis cycle mechanism pathway path catabolism biosynthetic intermediate biogenesis substrate precursor synthesis derivative bioprecursor metabolic enzyme endogenous contractor molecule molecular formula skeletal structural structure geometry ball stick atom cell biology biochemistry biomolecule bioactive biochemical 3d herbal medicine alternative healthy aging