InChI=1S/C26H28O15/c27-8-26(36)9-38-25(23(26)35)37-7-18-20(32)21(33)22(34)24(41-18)39-11-4-14(30)19-15(31)6-16(40-17(19)5-11)10-1-2-12(28)13(29)3-10/h1-6,18,20-25,27-30,32-36H,7-9H2