InChI=1S/C32H32O20/c33-11-3-1-9(5-13(11)35)20(38)18-14(36)7-15(37)19(22(18)40)28-25(43)23(41)21(39)17(50-28)8-49-31(48)10-2-4-12(34)16(6-10)51-32-27(45)24(42)26(44)29(52-32)30(46)47/h1-7,17,21,23-29,32-37,39-45H,8H2,(H,46,47)