InChI=1/C13H14Cl2N2O3/c1-2-20-13(19)17-16-12(18)9-6-8(9)7-3-4-10(14)11(15)5-7/h3-5,8-9H,2,6H2,1H3,(H,16,18)(H,17,19)/t8-,9+/m0/s1/f/h16-17H D97DA9FF9E5736F9