InChI=1/C15H16N4O3/c20-9-5-4-8-19-10-16-12-13(19)17-15(18-14(12)21)22-11-6-2-1-3-7-11/h1-3,6-7,10,20H,4-5,8-9H2,(H,17,18,21)/f/h18H FF57F84FA5E19092