InChI=1/C16H10ClN4O4/c17-8-1-3-10(11(18)5-8)15(23)25-7-14(22)19-9-2-4-12-13(6-9)21-16(24)20-12/h1-6H,7,18H2/q-1/p+3/b19-9+/fC16H13ClN4O4/h19-21H/q+2 7DDBAA6D02375F73