InChI=1/C16H21N5O/c1-10-6-7-12-11(8-10)14(22)20(5)15-19-18-13(21(12)15)9-17-16(2,3)4/h6-8,17H,9H2,1-5H3/p+1/fC16H22N5O/h17H/q+1 61B990B8E07D27EF