InChI=1/C15H17N4O/c1-11-3-5-12(6-4-11)19-9-13(16)14(15(19)20)18-8-7-17(2)10-18/h3-8,10,14,16H,9H2,1-2H3/q+1/t14-/m1/s1 68AD64BB13E9CDAB