InChI=1/C15H16N4O3/c1-8-11(9(2)22-19-8)4-6-14(20)16-10-3-5-12-13(7-10)18-15(21)17-12/h3,5,7H,4,6H2,1-2H3,(H,16,20)(H2,17,18,21)/f/h16-18H AB7F17197E3B3B4C