InChI=1/C15H15N3O3/c1-2-21-12-9-7-11(8-10-12)17-15(19)16-13-5-3-4-6-14(13)18(17)20/h3-10,20H,2H2,1H3,(H,16,19)/f/h16H D0D587D6046158EC