InChI=1S/C23H25NO11/c25-13-7-9-23(33,10-8-13)15(26)11-24-16(27)6-3-12-1-4-14(5-2-12)34-22-19(30)17(28)18(29)20(35-22)21(31)32/h1-10,15,17-20,22,26,28-30,33H,11H2,(H,24,27)(H,31,32)/b6-3+