InChI=1/C15H16N4O3/c1-8-7-12(11-6-4-3-5-10(8)11)16-15(20)13-14(19(21)22)9(2)17-18-13/h3-6,8,12H,7H2,1-2H3,(H,16,20)(H,17,18)/t8-,12-/m1/s1/f/h16-17H D8BF7209F1E1EDF4