8,14-Methano-2H,14H-1-benzopyrano(7,8-d)(1,3)benzodioxocin-3,5,11,13,15-pentol, 4-(3,4-dihydro-3,5,7-trihydroxy-2-(4-hydroxyphenyl)-2H-1-benzopyran-8-yl)-3,4-dihydro-2,8-bis(4-hydroxyphenyl)-, (2R-(2alpha,3alpha,4beta(2R*,3S*),8beta,14beta,15R*))