InChI=1/C21H28N6O2/c1-26-10-12-27(13-11-26)16-19(17-6-3-2-4-7-17)25-21(29)23-15-20(28)24-18-8-5-9-22-14-18/h2-9,14,19H,10-13,15-16H2,1H3,(H,24,28)(H2,23,25,29)/p+1/t19-/m0/s1/fC21H29N6O2/h23-26H/q+1 FDDE5FA9454FC8FB