InChI=1S/C20H25N3O6/c24-15-7-1-5-13(17(15)26)19(28)22-11-3-9-21-10-4-12-23-20(29)14-6-2-8-16(25)18(14)27/h1-2,5-8,21,24-27H,3-4,9-12H2,(H,22,28)(H,23,29)