InChI=1/C13H13Cl2N3O2/c1-7-2-8(13(20)18-17-7)3-12(19)16-11-5-9(14)4-10(15)6-11/h4-6,8H,2-3H2,1H3,(H,16,19)(H,18,20)/t8-/m0/s1/f/h16,18H C9CB1AF9600D9607