InChI=1S/C26H25NO9/c1-10-21(29)15(27)7-17(35-10)36-16-9-26(34,11(2)28)8-14-18(16)25(33)20-19(24(14)32)22(30)12-5-3-4-6-13(12)23(20)31/h3-6,15-17,21,29,32-34H,1,7-9,27H2,2H3/t15?,16?,17?,21?,26-/m0/s1