InChI=1/C16H20N4O/c1-4-20(10-12(2)9-17)11-15-18-16(19-21-15)14-8-6-5-7-13(14)3/h5-8,12H,4,10-11H2,1-3H3/p+1/t12-/m0/s1/fC16H21N4O/h20H/q+1	9621FD770660CDA3