InChI=1/C15H22N4O2/c1-4-8(2)13(16)14(20)17-9(3)10-5-6-11-12(7-10)19-15(21)18-11/h5-9,13H,4,16H2,1-3H3,(H,17,20)(H2,18,19,21)/p+1/t8-,9-,13-/m0/s1/fC15H23N4O2/h16-19H/q+1 6A2B9E50548EF936