InChI=1S/C33H38O21/c34-6-12-17(37)21(41)24(44)29(51-12)15-11(53-33-27(47)23(43)26(46)31(54-33)32(48)49)5-10-14(19(15)39)20(40)16(28(50-10)8-1-3-9(36)4-2-8)30-25(45)22(42)18(38)13(7-35)52-30/h1-5,12-13,17-18,21-27,29-31,33-39,41-47H,6-7H2,(H,48,49)