3d image of terflavin b skeletal formula

terflavin ellagitannin hydrolysable tannin myrobalanus chebula terminalia black chebulic catappa nonahydroxytriphenic acid gallic hydrolyzable polyphenol gallotannin macrocycle supplement biological activity bioactive nutrient prescription drug food additive nutraceutica antioxidant anti-cancer anti-aging healthy aging alternative medicine tcm traditional chinese herbal herbal phytochemical phytotherapy plant herb natural herbalism pharmacognosy pharmacopoeia molecule molecular formula skeletal structural structure geometry ball stick 3d