InChI=1/C13H17Cl2N3O3/c1-13(2,3)21-12(19)18-17-11(16)7-20-10-5-8(14)4-9(15)6-10/h4-7,17H,16H2,1-3H3,(H,18,19)/b11-7-/f/h18H BD1D582C8EE9ABA6