InChI=1/C14H15Cl2N3O3/c1-7-10(13(21)18-14(22)17-7)6-19(2)5-8-3-9(15)4-11(16)12(8)20/h3-4,20H,5-6H2,1-2H3,(H2,17,18,21,22)/f/h17-18H 4DE2B91CF8CCEDCC