InChI=1/C15H20N4O2/c1-2-19-7-3-4-11(19)9-16-14(20)10-5-6-12-13(8-10)18-15(21)17-12/h5-6,8,11H,2-4,7,9H2,1H3,(H,16,20)(H2,17,18,21)/p+1/t11-/m1/s1/fC15H21N4O2/h16-19H/q+1 EC0E57953290B480