InChI=1/C11H9ClN2O4/c1-18-8-4-6(12)2-5(9(8)15)3-7-10(16)14-11(17)13-7/h2-4,15H,1H3,(H2,13,14,16,17)/b7-3-/f/h13-14H 6179A3C3CFA32A6D