InChI=1/C13H17Cl2N3O2/c1-3-16-13(20)17-12(19)8-18(2)7-9-4-10(14)6-11(15)5-9/h4-6H,3,7-8H2,1-2H3,(H2,16,17,19,20)/f/h16-17H 0944887E4B95558D