InChI=1/C16H20N4O2/c1-11-3-4-14(12(2)9-11)20-15(13(10-18-20)16(21)22)19-7-5-17-6-8-19/h3-4,9-10,17H,5-8H2,1-2H3,(H,21,22)/f/h17H 17DE85C531BD463B