Product Name:(2R,2'R,3R,3'S,4R)-2,2'-Bis(3,4-dihydroxyphenyl)-[4,8'-bichroman]-3,3',5,5',7,7'-hexaol
IUPAC Name:(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-4-[(2R,3S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-8-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol