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