InChI=1/C15H16N4O2/c20-15-13-14(11-5-1-2-6-12(11)21-15)19(17-16-13)10-9-18-7-3-4-8-18/h1-2,5-6H,3-4,7-10H2/p+1/fC15H17N4O2/h18H/q+1 BC7443E67FBD9727