InChI=1S/C31H40O18/c1-3-15-16(17(28(42)43-2)12-45-29(15)49-31-24(38)21(35)20(34)18(11-32)47-31)10-19(33)44-9-8-13-4-6-14(7-5-13)46-30-25(39)22(36)23(37)26(48-30)27(40)41/h3-7,12,16,18,20-26,29-32,34-39H,8-11H2,1-2H3,(H,40,41)/b15-3-/t16-,18?,20?,21?,22?,23?,24?,25?,26?,29?,30?,31?/m0/s1