InChI=1S/C23H25NO11/c25-13-5-7-23(33,8-6-13)9-10-24-16(27)4-2-12-1-3-14(26)15(11-12)34-22-19(30)17(28)18(29)20(35-22)21(31)32/h1-8,11,17-20,22,26,28-30,33H,9-10H2,(H,24,27)(H,31,32)/b4-2+