InChI=1/C17H20N4O2/c1-4-8-14-18-11(3)15-17(22)19-16(20-21(14)15)12-9-6-7-10-13(12)23-5-2/h6-7,9-10H,4-5,8H2,1-3H3,(H,19,20,22)/f/h19H CBA6AEA47C9E1C18