InChI=1/C15H14N4O3/c1-9-5-14(20)22-13-6-10(3-4-12(9)13)17-15(21)18-11-7-16-19(2)8-11/h3-8H,1-2H3,(H2,17,18,21)/f/h17-18H 415AEB4F5BF8EE06