InChI=1S/C35H54O16/c1-6-35(5,15-9-14-19(3)11-7-10-18(2)12-8-13-20(4)16-36)51-34-28(42)24(38)23(37)21(49-34)17-48-33(47)22(31(43)44)29-26(40)25(39)27(41)30(50-29)32(45)46/h6,10,13-14,21-30,34,36-42H,1,7-9,11-12,15-17H2,2-5H3,(H,43,44)(H,45,46)/b18-10-,19-14+,20-13+