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