英文别名(2R,2'R,3R,3'R,4R)-2,2'-Bis(3,4-dihydroxyphenyl)-5,5',7,7'-tetrahydroxy-[4,8'-bichromane]-3,3'-diyl bis(3,4,5-trihydroxybenzoate); B2-3,3'-di-O-gallate; (2R,3R,4R)-2-(3,4-dihydroxyphenyl)-4-[(2R,3R)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-(3,4,5-trihydroxybenzoyl)oxy-chroman-8-yl]-5,7-dihydroxy-chroman-3-yl 3,4,5-trihydroxybenzoate; (2R,3R)-3-o-Galloylepicatechin-4.beta.,8-[(2R,3R)-3-o-galloylepicatechin]; Benzoic acid, 3,4,5-trihydroxy-, (2R,2'R,3R,3'R,4R)-2,2'-bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-5,5',7,7'-tetrahydroxy[4,8'-bi-2H-1-benzopyran]-3,3'-diyl ester; Benzoic acid, 3,4,5-trihydroxy-, 2,2'-bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-5,5',7,7'-tetrahydroxy[4,8'-bi-2H-1-benzopyran]-3,3'-diyl ester, [2R-[2.alpha.,3.alpha.,4.beta.(2'R*,3'R*)]]-; Proanthocyanidin B2 3,3'-o-gallate 
