InChI=1/C13H13Cl3N4O/c1-2-3-9-10(17)12(20-19-9)13(21)18-11-7(15)4-6(14)5-8(11)16/h4-5H,2-3,17H2,1H3,(H,18,21)(H,19,20)/f/h18-19H B8EAEA8CD88D6543