InChI=1/C16H14N4O4/c1-20-15-13(9(8-12(21)17-15)10-4-2-6-23-10)14(19-20)18-16(22)11-5-3-7-24-11/h2-7,9H,8H2,1H3,(H,17,21)(H,18,19,22)/t9-/m0/s1/f/h17-18H	6DC0F83D25B23FAA