InChI=1S/C20H27N3O6/c1-3-5-11-28-13-15(29-18(21)26)12-23-17(25)20(4-2,16(24)22-19(23)27)14-9-7-6-8-10-14/h6-10,15H,3-5,11-13H2,1-2H3,(H2,21,26)(H,22,24,27)