InChI=1/C16H12ClN5O4/c17-9-4-5-11-12(7-9)20-16(24)14(19-11)13(21-18)15(23)8-2-1-3-10(6-8)22(25)26/h1-7,15,23H,18H2,(H,20,24)/p-1/b21-13-/t15-/m1/s1/fC16H11ClN5O4/q-1 E4BB0AADA9E2DF79