InChI=1/C20H18Cl2O4/c21-14-8-18(22)17(7-6-16-10-15(23)11-20(24)26-16)19(9-14)25-12-13-4-2-1-3-5-13/h1-9,15-16,23H,10-12H2/b7-6+/t15-,16+/m1/s1	090CC2809CCB8DE2