InChI=1S/C27H38O18/c1-39-12-6-10(2-4-11(12)30)3-5-16(31)44-27-23(38)24(45-26-21(36)18(33)14(8-29)42-26)19(34)15(43-27)9-40-25-22(37)20(35)17(32)13(7-28)41-25/h2-6,13-15,17-30,32-38H,7-9H2,1H3/b5-3-