InChI=1/C15H20N4O2/c1-9(17-14(20)10-4-6-16-7-5-10)11-2-3-12-13(8-11)19-15(21)18-12/h2-3,8-10,16H,4-7H2,1H3,(H,17,20)(H2,18,19,21)/p+1/t9-/m1/s1/fC15H21N4O2/h16-19H/q+1 A4637AF75733ADE3