InChI=1/C17H23N3O4/c1-24-13-8-7-12-10-15(19-14(12)11-13)17(22)18-9-5-3-2-4-6-16(21)20-23/h7-8,10-11,19,23H,2-6,9H2,1H3,(H,18,22)(H,20,21)/f/h18,20H 8A1C27DD21F0666A