InChI=1/C20H13Cl2N3O2/c21-14-4-1-10(7-15(14)22)16-5-6-17(26-16)19-12-3-2-11(24)8-18(12)27-20(25)13(19)9-23/h1-8,19H,24-25H2/t19-/m1/s1 512AC388B39EDC1F