InChI=1S/C27H28O18/c28-6-13-15(32)17(34)20(37)26(43-13)41-8-4-11(31)14-12(5-8)42-22(7-1-2-9(29)10(30)3-7)23(16(14)33)44-27-21(38)18(35)19(36)24(45-27)25(39)40/h1-5,13,15,17-21,24,26-32,34-38H,6H2,(H,39,40)/t13-,15-,17+,18+,19+,20-,21-,24+,26-,27-/m1/s1