InChI=1S/C33H37NO18/c1-48-13-4-2-3-10-18(13)24(40)20-21(22(10)38)29(51-32-28(44)26(42)27(43)30(52-32)31(45)46)11-6-33(47,16(37)9-36)7-14(19(11)25(20)41)49-17-5-12(34)23(39)15(8-35)50-17/h2-4,12,14-15,17,23,26-28,30,32,35-36,39,41-44,47H,5-9,34H2,1H3,(H,45,46)/t12?,14?,15?,17?,23?,26?,27?,28?,30?,32?,33-/m0/s1