InChI=1/C19H20N6/c1-2-4-16-14(3-1)18(25-24-16)15-11-17(22-12-5-8-20-9-6-12)23-19-13(15)7-10-21-19/h1-4,7,10-12,20H,5-6,8-9H2,(H,24,25)(H2,21,22,23)/p+1/fC19H21N6/h20-22,24H/q+1 1FFBF9347762B08D