InChI=1/C19H20N4O2/c24-18-11-15(14-5-1-2-6-16(14)22-18)19(25)21-13-7-8-17(20-12-13)23-9-3-4-10-23/h1-2,5-8,12,15H,3-4,9-11H2,(H,21,25)(H,22,24)/p+1/t15-/m0/s1/fC19H21N4O2/h20-22H/q+1 1B8AC6A91949639F