InChI=1/C21H20Cl2N2O3/c1-3-13-7-8-15-14(10-20(27)28-18(15)9-13)11-25(2)12-19(26)24-21-16(22)5-4-6-17(21)23/h4-10H,3,11-12H2,1-2H3,(H,24,26)/p+1/fC21H21Cl2N2O3/h24-25H/q+1 7AB95A1F4C569BEE