InChI=1/C20H19Cl2NO5/c1-12(20(25)23-16-11-14(21)8-9-15(16)22)28-18(24)10-7-13-5-4-6-17(26-2)19(13)27-3/h4-12H,1-3H3,(H,23,25)/b10-7+/t12-/m0/s1/f/h23H 210DE42B7861F8C3