InChI=1/C15H21N5O/c1-11-13(9-17-19-11)8-16-15(21)18-14-6-4-5-12(7-14)10-20(2)3/h4-7,9H,8,10H2,1-3H3,(H,17,19)(H2,16,18,21)/p+1/fC15H22N5O/h16-18,20H/q+1 6D189A78A99F7787