InChI=1S/C34H40O16/c1-29-10-18-31(3)34-23(29)24(39)33(50-34,45-11-15(29)26(42)47-18)14-9-16(46-27-21(38)19(36)20(37)22(48-27)25(40)41)13-5-4-6-17(35)30(13,2)12(14)7-8-32(34,44)28(43)49-31/h5,12,14-16,18-23,27,36-38,44H,4,6-11H2,1-3H3,(H,40,41)