英文别名EC-4β->8-ECG; Procyanidin B2 3'-gallate; (2R)-2α,2'α-Bis(3,4-dihydroxyphenyl)-3'α-(galloyloxy)-4β,8'-bichroman-3α,5,5',7,7'-pentol; (2R,2'R,3R,3'R,4β)-3,3',4,4'-Tetrahydro-2,2'-bis(3,4-dihydroxyphenyl)-3'-(galloyloxy)-4,8'-bi[2H-1-benzopyran]-3,5,5',7,7'-pentol; (2R,2'R)-2α,2'α-Bis(3,4-dihydroxyphenyl)-3α-(galloyloxy)-4β,8'-bichroman-3'α,5,5',7,7'-pentol; Procyanidin B2 3-gallate; Epicatechin-(4β→8)-epicatechin 3''-O-gallate 
