InChI=1/C15H16N4O/c20-15-14-16-5-8-19(14)13-4-3-11(9-12(13)17-15)10-18-6-1-2-7-18/h3-5,8-9H,1-2,6-7,10H2,(H,17,20)/p+1/fC15H17N4O/h17-18H/q+1 52E6894460BF65A1