InChI=1S/C17H21N5O/c1-11(2)14(10-23)20-16-6-7-17-19-9-15(22(17)21-16)12-4-3-5-13(18)8-12/h3-9,11,14,23H,10,18H2,1-2H3,(H,20,21)/t14-/m1/s1