InChI=1/C13H16Cl2N4O2/c1-8-7-9(14)16-11(15)10(8)12(20)17-13(21)18-19-5-3-2-4-6-19/h7H,2-6H2,1H3,(H2,17,18,20,21)/f/h17-18H 15E410771F4CB683