InChI=1/C16H23N5O2/c1-16(2,20(3)4)11-18-15(23)14-17-10-13(22)21(19-14)12-8-6-5-7-9-12/h5-9H,10-11H2,1-4H3,(H,17,19)(H,18,23)/p+1/fC16H24N5O2/h17-18,20H/q+1 E09C2783F6BBD2EA