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