InChI=1/C16H23N5O/c1-21(2)16(8-4-3-5-9-16)11-17-15(22)12-6-7-13-14(10-12)19-20-18-13/h6-7,10H,3-5,8-9,11H2,1-2H3,(H,17,22)(H,18,19,20)/p+1/fC16H24N5O/h17,20-21H/q+1 EFB9A4E538F0FE06