InChI=1/C16H26N4O/c1-2-14(17)16(13-4-3-7-19-11-13)20-8-5-12(6-9-20)10-15(18)21/h3-4,7,11-12,14,16H,2,5-6,8-10,17H2,1H3,(H2,18,21)/p+1/t14-,16+/m1/s1/fC16H27N4O/h17H,18H2/q+1 90AE1D821A8C219D