InChI=1S/C33H40O22/c34-6-15-19(39)23(43)26(46)31(52-15)49-10-4-12(38)18-14(5-10)50-29(30(22(18)42)55-33-28(48)25(45)21(41)17(8-36)54-33)9-1-2-13(11(37)3-9)51-32-27(47)24(44)20(40)16(7-35)53-32/h1-5,15-17,19-21,23-28,31-41,43-48H,6-8H2