InChI=1/C21H22N4/c1-16-23-20(13-21(24-16)25-10-6-3-7-11-25)19-12-18(14-22-15-19)17-8-4-2-5-9-17/h2,4-5,8-9,12-15H,3,6-7,10-11H2,1H3 E19E585254BD7000