InChI=1/C21H20Cl2O3/c22-16-10-15(7-6-14-4-2-1-3-5-14)19(20(23)11-16)9-8-18-12-17(24)13-21(25)26-18/h1-5,8-11,17-18,24H,6-7,12-13H2/b9-8+/t17-,18+/m1/s1 D9ACDA81B43F7F75