InChI=1/C16H16N4O2/c1-21-11-3-9(4-12(6-11)22-2)13-5-10-8-19-15(17)7-14(10)20-16(13)18/h3-8H,1-2H3,(H2,17,19)(H2,18,20)/f/h17-18H2 7859A78981341AF1