InChI=1/C14H20N4O4/c1-2-3-18-8(5-19)12(20)13(21)11(18)7-4-15-10-9(7)16-6-17-14(10)22/h4,6,8,11-13,15,19-21H,2-3,5H2,1H3,(H,16,17,22)/p+1/t8-,11+,12+,13+/m1/s1/fC14H21N4O4/h17-18H/q+1 0D202C2E872C6C85