InChI=1/C15H20N4O2/c1-9(17-13(20)15(16)6-2-3-7-15)10-4-5-11-12(8-10)19-14(21)18-11/h4-5,8-9H,2-3,6-7,16H2,1H3,(H,17,20)(H2,18,19,21)/p+1/t9-/m1/s1/fC15H21N4O2/h16-19H/q+1 68109E43571A2267