InChI=1S/C33H32O9/c1-15-8-20(19-6-5-18(34)13-24(19)36)29(32(39)40)22(9-15)30-25(37)10-17(11-26(30)38)27-12-16-4-7-23(35)21(31(16)41-27)14-28-33(2,3)42-28/h4-7,9-13,20,22,28-29,34-38H,8,14H2,1-3H3,(H,39,40)