InChI=1/C20H16ClNO6/c1-20(2)7-11(23)13(12(24)8-20)18(27)19(28)22-15-14(21)16(25)9-5-3-4-6-10(9)17(15)26/h3-6,23H,7-8H2,1-2H3,(H,22,28)/p-1/fC20H15ClNO6/h23h,22H/q-1 FD995824FEE0CD5F