InChI=1/C12H16N4O4/c1-20-11-8(16-6(3-17)10(11)18)5-2-13-9-7(5)14-4-15-12(9)19/h2,4,6,8,10-11,13,16-18H,3H2,1H3,(H,14,15,19)/t6-,8+,10+,11-/m1/s1/f/h15H C104B2DEE07A6672