InChI=1/C20H26Cl2O4/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/h8-9,13,15-16,23H,1-7,10-12H2/t15-,16-/m1/s1 D2D8594B9BED002A