InChI=1/C15H18N6O2/c1-21(2)6-5-16-12-7-10(9-3-4-17-13(9)19-12)11-8-18-15(23)20-14(11)22/h3-4,7-8,16-17,19H,5-6H2,1-2H3,(H,20,22,23)/p+1/b11-10+/fC15H19N6O2/h20-21H/q+1 D2BF9C507EFCC451