InChI=1/C20H15Cl3N2O4/c1-11-6-7-12-14(22)8-15(23)20(19(12)24-11)29-10-18(27)28-9-17(26)25-16-5-3-2-4-13(16)21/h2-8H,9-10H2,1H3,(H,25,26)/f/h25H 4B1D316E84D1E7DF