3d image of robinetinidin skeletal formula

robinetinidin anthocyanidin flavonoid prorobinetinidin tannin pentahydroxyflavylium chloride stryphnodendron adstringens plant pigment 3d supplement biological activity bioactive nutrient prescription drug food additive nutraceutica dietary antioxidant anti-cancer anti-aging healthy aging alternative medicine tcm traditional chinese herbal herbal phytochemical phytotherapy herb natural herbalism pharmacognosy pharmacopoeia molecule molecular formula skeletal structural structure geometry ball stick atom cell biochemistry biomolecule