InChI=1S/C27H30O17/c28-6-16-20(34)22(36)24(38)26(43-16)41-14-1-8(12-5-11(32)18-10(31)3-9(30)4-13(18)40-12)2-15(19(14)33)42-27-25(39)23(37)21(35)17(7-29)44-27/h1-5,16-17,20-31,33-39H,6-7H2/t16-,17-,20-,21-,22+,23+,24-,25-,26-,27-/m1/s1