InChI=1S/C36H40O20/c37-12-19-23(42)25(44)28(47)33(54-19)36(53)31(49)21(24(43)22(32(36)50)18(40)10-3-13-1-6-15(38)7-2-13)17(14-4-8-16(39)9-5-14)11-20(41)55-35-29(48)26(45)27(46)30(56-35)34(51)52/h1-10,17,19,22-30,33,35,37-39,42-49,53H,11-12H2,(H,51,52)/b10-3+