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