InChI=1/C16H20N4O/c1-21-14-5-3-2-4-11(14)8-10-6-7-13-12(9-10)15(17)20-16(18)19-13/h2-5,10H,6-9H2,1H3,(H4,17,18,19,20)/p+1/t10-/m0/s1/fC16H21N4O/h19H,17-18H2/q+1 F9A524FE52588BC6