InChI=1/C17H20N4O/c1-18-16(22)20-11-8-17(9-12-20)15-7-4-10-21(15)14-6-3-2-5-13(14)19-17/h2-7,10,19H,8-9,11-12H2,1H3,(H,18,22)/f/h18H C39123D064C4F138