InChI=1S/C23H25NO11/c25-13-4-1-11(2-5-13)7-8-24-21(31)15(27)9-12-3-6-14(26)16(10-12)34-23-19(30)17(28)18(29)20(35-23)22(32)33/h1-6,9-10,17-20,23,25-30H,7-8H2,(H,24,31)(H,32,33)/b15-9-