InChI=1S/C20H28N2O11/c1-31-13-6-9(3-5-14(25)22-8-11(24)10(23)7-21)2-4-12(13)32-20-17(28)15(26)16(27)18(33-20)19(29)30/h2-6,10-11,15-18,20,23-24,26-28H,7-8,21H2,1H3,(H,22,25)(H,29,30)