InChI=1/C20H21N5O/c1-25(2)14-15-7-9-17(10-8-15)23-19(26)16-5-3-6-18(13-16)24-20-21-11-4-12-22-20/h3-13H,14H2,1-2H3,(H,23,26)(H,21,22,24)/p+1/fC20H22N5O/h23-25H/q+1 43DFD16ED2BBB051