InChI=1/C17H14Cl2N2O3/c1-9-3-4-10(18)7-12(9)20-15(22)17(2)16(23)21-13-8-11(19)5-6-14(13)24-17/h3-8H,1-2H3,(H,20,22)(H,21,23)/t17-/m0/s1/f/h20-21H 134544F041A176CC