InChI=1S/C30H30O12/c1-11(2)18(32)16-22(40-29-21(35)19(33)20(34)26(41-29)28(36)37)15-13(12-8-6-5-7-9-12)10-14(31)38-23(15)17-24(16)42-30(3,4)27-25(17)39-27/h5-11,19-21,25-27,29,33-35H,1-4H3,(H,36,37)