InChI=1S/C32H32O20/c33-11-3-1-10(6-12(11)34)31(48)49-8-17-21(39)23(41)25(43)28(50-17)19-15(37)7-14(36)18(22(19)40)20(38)9-2-4-16(13(35)5-9)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)