InChI=1/C16H23N5O/c1-11-9-16(18-14(4)17-11)21-7-5-20(6-8-21)10-15-12(2)19-22-13(15)3/h9H,5-8,10H2,1-4H3/p+1/fC16H24N5O/h20H/q+1 9E0CBFE1EA5A318F