InChI=1S/C20H29N3O9/c24-14-5-4-13(10-15(14)25)18(29)23-9-3-7-21-6-1-2-8-22-16(26)11-20(32,19(30)31)12-17(27)28/h4-5,10,21,24-25,32H,1-3,6-9,11-12H2,(H,22,26)(H,23,29)(H,27,28)(H,30,31)/p-1