InChI=1S/C28H32O15/c1-39-15-7-13(32)18-12(31)6-14(41-26(18)19(15)27-24(37)22(35)20(33)16(8-29)42-27)10-2-4-11(5-3-10)40-28-25(38)23(36)21(34)17(9-30)43-28/h2-7,16-17,20-25,27-30,32-38H,8-9H2,1H3