InChI=1/C20H15ClN2O3/c21-15-7-3-12(4-8-15)18(24)13-5-9-16(10-6-13)23-20(26)17(11-22)19(25)14-1-2-14/h3-10,14,23,26H,1-2H2/p-1/b20-17-/fC20H14ClN2O3/h26h/q-1 72AD68595C34451E