InChI=1/C16H22N4/c17-12-14-4-5-16-15(11-14)3-1-8-20(16)9-2-7-19-10-6-18-13-19/h4-6,10-11,13H,1-3,7-9,12,17H2/p+2/fC16H24N4/h17-18H/q+2 D429A27C4D374A6E