InChI=1S/C30H32O18/c1-43-15-4-9(2-3-14(15)45-29-23(37)21(35)22(36)24(46-29)26(38)39)17-10-5-12(32)13(33)6-11(10)18-19(17)27(40)44-7-16-20(34)25(47-28(18)41)30(42,8-31)48-16/h2-6,16-25,29,31-37,42H,7-8H2,1H3,(H,38,39)