InChI=1S/C26H28O15/c27-11(7-6-10-4-2-1-3-5-10)15-12(28)8-13(29)21(39-25-19(34)16(31)14(30)9-38-25)22(15)40-26-20(35)17(32)18(33)23(41-26)24(36)37/h1-8,14,16-20,23,25-26,28-35H,9H2,(H,36,37)