InChI=1/C19H17Cl2NO4/c20-13-6-17(21)16(4-3-15-8-14(23)9-19(24)26-15)18(7-13)25-11-12-2-1-5-22-10-12/h1-7,10,14-15,23H,8-9,11H2/b4-3+/t14-,15+/m1/s1 8F239FE1BA4C0842