InChI=1/C17H18N4O2/c1-21(23)10-8-20(9-11-21)15-7-6-14-16(19-15)12-4-2-3-5-13(12)17(22)18-14/h2-7H,8-11H2,1H3,(H,18,22)/f/h18H 91DD1C64E4EC6892