PROCYANIDIN B3;CATECHIN-(4ALPHA->8)-CATECHIN;CATECHIN-(4ALPHA->8)-CATECHIN B3;procyanidin B3 from barley;(2R,2'R,3S,3'S,4S)-2,2'-Bis(3,4-dihydroxyphenyl)-4,8'-bichroman-3,3',5,5',7,7'-hexol;(2R,2'R,3S,3'S,4α)-3,3',4,4'-Tetrahydro-2α,2'α-bis(3,4-dihydroxyphenyl)-4,8'-bi[2H-1-benzopyran]-3,3',5,5',7,7'-hexol;3,3',4,4'-Tetrahydro-2α,2'α-bis(3,4-dihydroxyphenyl)-4α,8'-bi[2H-1-benzopyran]-3β,3'β,5,5',7,7'-hexol;(2R,2'R,3S,3'S,4S)-2,2'-Bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-[4,8'-bi-2H-1-benzopyran]-3,3',5,5',7,7'-hexol
