InChI=1/C20H22N4O2/c25-19(16-7-8-17-18(13-16)22-20(26)21-17)24-10-4-9-23(11-12-24)14-15-5-2-1-3-6-15/h1-3,5-8,13H,4,9-12,14H2,(H2,21,22,26)/p+1/fC20H23N4O2/h21-23H/q+1 AF73D44C68185E96