InChI=1S/C23H25NO11/c25-14-9-12(10-15(26)17(14)28)3-6-16(27)24-8-7-11-1-4-13(5-2-11)34-23-20(31)18(29)19(30)21(35-23)22(32)33/h1-6,9-10,18-21,23,25-26,28-31H,7-8H2,(H,24,27)(H,32,33)/b6-3+