Synonyms: 2,2'-Bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-4,8'-bi[2H-1-benzopyran]-3,3',5,5',7,7'-hexol;2,2'-Bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-4,8'-bi[2H-1-benzopyran-3,5,7-triol];2,2'-Bis(3,4-dihydroxyphenyl)-4,8'-bichroman-3,3',5,5',7,7'-hexol;Cacao leucoanidin-1;Pyrocyanidin B-3