InChI=1/C16H20N4O3/c1-11-8-14(19-23-11)18-15(21)10-20(3)9-12-4-6-13(7-5-12)16(22)17-2/h4-8H,9-10H2,1-3H3,(H,17,22)(H,18,19,21)/p+1/fC16H21N4O3/h17-18,20H/q+1 98BFF8699D6A988C