InChI=1/C19H21N7O/c20-9-4-10-26-17-14(16(25-26)18(21)27)8-7-12-11-22-19(24-15(12)17)23-13-5-2-1-3-6-13/h1-3,5-6,11H,4,7-10,20H2,(H2,21,27)(H,22,23,24)/p+1/fC19H22N7O/h20,23H,21H2/q+1 2408F68EA50A6C3D