InChI=1S/C23H29NO10/c25-17(24-8-4-1-5-9-24)7-3-2-6-13-10-15-16(32-12-31-15)11-14(13)33-23-20(28)18(26)19(27)21(34-23)22(29)30/h3,7,10-11,18-21,23,26-28H,1-2,4-6,8-9,12H2,(H,29,30)/b7-3+