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