InChI=1/C17H16N4O/c1-3-8-19-10-13-11(2)12(9-18)16-20-14-6-4-5-7-15(14)21(16)17(13)22/h4-7,10,22H,3,8H2,1-2H3/b19-10+/f/h22h,19H/b 1629CEBD22059EEA