InChI=1S/C31H36O20/c1-44-10-5-14-17(18(33)11-4-9(2-3-13(11)48-14)47-30-26(41)22(37)23(38)27(51-30)28(42)43)15(6-10)49-31-25(40)21(36)20(35)16(50-31)8-46-29-24(39)19(34)12(32)7-45-29/h2-6,12,16,19-27,29-32,34-41H,7-8H2,1H3,(H,42,43)