InChI=1/C19H20N4O/c20-19(24)17-5-3-4-15-13-23(21-18(15)17)16-8-6-14(7-9-16)12-22-10-1-2-11-22/h3-9,13H,1-2,10-12H2,(H2,20,24)/p+1/fC19H21N4O/h22H,20H2/q+1 C648243D1A42780E