InChI=1/C13H13Cl3N4O/c1-5(2)10-9(17)12(20-19-10)13(21)18-11-7(15)3-6(14)4-8(11)16/h3-5H,17H2,1-2H3,(H,18,21)(H,19,20)/f/h18-19H 452DB7A88056E247