InChI=1/C16H9ClN4O4/c17-7-1-3-12-10(5-7)14(20-23)15(18-12)13-9-6-8(21(24)25)2-4-11(9)19-16(13)22/h1-6,18,23H,(H,19,22)/b15-13?,20-14-/f/h19H 4015DA2DF622A928