InChI=1/C21H23N5O2/c22-21(28)18-6-4-5-15-13-26(24-20(15)18)17-9-7-16(8-10-17)23-19(27)14-25-11-2-1-3-12-25/h4-10,13H,1-3,11-12,14H2,(H2,22,28)(H,23,27)/p+1/fC21H24N5O2/h23,25H,22H2/q+1 4B88F7EF5FD0A5CF