InChI=1/C11H14N6O/c1-11(2,3)10-12-4-7(5-13-10)15-9(18)8-6-14-17-16-8/h4-6H,1-3H3,(H,15,18)(H,14,16,17)/f/h15,17H F2D841C853E28F5E