InChI=1/C19H13Cl4N3O/c20-12-3-1-10(5-13(12)21)9-26-17-7-15(23)14(22)6-16(17)25-19(26)11-2-4-18(27)24-8-11/h1-3,5-8,19,25H,4,9H2/t19-/m0/s1 DE2F6DE017504292