InChI=1/C18H22N4O3/c1-3-9-21-15-14(17(24)22(10-4-2)18(21)25)20-13(16(15)23)11-5-7-12(19)8-6-11/h5-8,20,23H,3-4,9-10,19H2,1-2H3/p-1/fC18H21N4O3/h23h/q-1 72DAEC984C4EE939