InChI=1S/C28H30O13/c1-11(2)5-6-13-17(37-3)10-18-15(23(13)38-4)9-14(27(36)39-18)12-7-8-16(29)19(30)24(12)40-28-22(33)20(31)21(32)25(41-28)26(34)35/h5,7-10,20-22,25,28-33H,6H2,1-4H3,(H,34,35)