InChI=1/C17H16N4O2/c1-10-14-8-12(9-18-16(14)21(2)20-10)17(22)19-13-3-4-15-11(7-13)5-6-23-15/h3-4,7-9H,5-6H2,1-2H3,(H,19,22)/f/h19H 1C351D080D478D25