苄硫醇

gallocatechin-(4α->6)-epigallocatechin

epicatechin-(4β->8,2β->O->7)-epicatechin-(4α->8)-epigallocatechin

2R,3R,4R-epigallocatechin-(4β->8)-2R,3R-epigallocatechin-3-O-gallate

(-)-epiafzelechin 3-O-gallate(4β-6) (-)-epigallocatechin 3-O-gallate