InChI=1S/C20H30N2O9/c1-29-13-10-11(5-7-14(23)22-9-3-2-8-21)4-6-12(13)30-20-17(26)15(24)16(25)18(31-20)19(27)28/h4,6,10,15-18,20,24-26H,2-3,5,7-9,21H2,1H3,(H,22,23)(H,27,28)