InChI=1/C18H22N4O3/c1-12-15(11-21(2)3)16-19-17(23)14(18(24)22(16)20-12)9-10-25-13-7-5-4-6-8-13/h4-8,24H,9-11H2,1-3H3,(H,19,23)/p-1/fC18H21N4O3/h24h,21H/q-1 D439C384AB7EFBB2