3d image of tricetinidin skeletal formula

tricetinidin red-colored chemical compound 3-deoxyanthocyanidin black tea oxidative degallation epigallocatechin gallate egcg substance matter material component agent stuff reagent functional group precursor synthesis reaction production building block molecule molecular formula skeletal structural structure geometry ball stick bioactive cell biochemistry biomolecule herbal phytochemical phytotherapy plant herb natural herbalism pharmacognosy pharmacopoeia 3d isolated white background model chemical