Theaflavin-3,3'-digallate

3,4,5-trihydroxybenzoic acid (3,4,6-trihydroxy-5-oxo-5h-benzocycloheptene-1,8-diyl)bis[(2r,3r)-3,4-dihydro-5,7-dihydroxy-2h-1-benzopyran-2,3-diyl] ester ; 8-gingerol ; 8-gingerol hplc ; theaflavin 3,3'-di-o-gallate ; 8-gingerol, hplc 98% ; theaflavin 3 ; 3,4,6-trihydroxy-1,8-bis[[(2r)-3,4-dihydro-5,7-dihydroxy-3α-(3,4,5-trihydroxybenzoyloxy)-2h-1-benzopyran]-2α-yl]-5h-benzocycloheptene-5-one ; theaflavin 3,3'-digallate ; 3,4,6-trihydroxy-1,8-bis[[(2r)-3,4-dihydro-3α-(3,4,5-trihydroxybenzoyloxy)-5,7-dihydroxy-2h-1-benzopyran]-2α-yl]-5h-benzocycloheptene-5-one