InChI=1/C17H16Cl2N2O3/c1-10(12-6-5-11(18)9-13(12)19)20-17(22)21-14-3-2-4-15-16(14)24-8-7-23-15/h2-6,9-10H,7-8H2,1H3,(H2,20,21,22)/t10-/m0/s1/f/h20-21H 3F7E7537BDF9ED3E