InChI=1/C13H13N5O2/c1-17-11-9(12(19)18(2)13(17)20)15-10(16-11)7-4-3-5-8(14)6-7/h3-6H,14H2,1-2H3,(H,15,16)/f/h15H 9508689D08C8939E