InChI=1S/C23H25NO11/c25-14-7-3-12(16(27)17(14)28)4-8-15(26)24-10-9-11-1-5-13(6-2-11)34-23-20(31)18(29)19(30)21(35-23)22(32)33/h1-8,18-21,23,25,27-31H,9-10H2,(H,24,26)(H,32,33)/b8-4+