InChI=1S/C33H40O17/c1-13-25(40)27(42)29(44)32(47-13)50-31-28(43)26(41)21(12-46-23(39)11-33(2,45)10-22(37)38)49-30(31)15-7-17(35)24-18(36)9-19(48-20(24)8-15)14-3-5-16(34)6-4-14/h3-8,13,19,21,25-32,34-35,40-45H,9-12H2,1-2H3,(H,37,38)/t13-,19?,21+,25-,26+,27+,28-,29+,30-,31+,32-,33?/m0/s1