2,14-Bis(3,4-dihydroxyphenyl)-3,4-dihydro-8,14-methano-2H,8H,14H-1-benzopyrano(8,7-c)(1,5)benzodioxocin-3,5,9,11,15-pentol 41743-41-3 8,14-Methano-2H,8H,14H-1-benzopyrano(8,7-c)(1,5)benzodioxocin-3,5,9,11,15-pentol, 2,14-bis(3,4-dihydroxyphenyl)-3,4-dihydro- Proanthocyanidin A-2 Proanthocyanidin A2