InChI=1/C16H24N4/c1-2-9-19(10-3-11-20-12-8-18-14-20)13-15-4-6-16(17)7-5-15/h4-8,12,14H,2-3,9-11,13,17H2,1H3/p+2/fC16H26N4/h18-19H/q+2 47E42AAD2DAD2B04