InChI=1/C16H20N4O3/c1-8-6-17-12(10(3)14(8)23-5)7-18-15(21)13-9(2)11(4)19-20-16(13)22/h6H,7H2,1-5H3,(H,18,21)(H,20,22)/p-1/fC16H19N4O3/h18H/q-1 6C51BA621C34BCB3