InChI=1/C14H14ClN3O3/c1-7-12(8(2)18(3)17-7)16-14(19)9-4-10(15)13-11(5-9)20-6-21-13/h4-5H,6H2,1-3H3,(H,16,19)/f/h16H 0471261F312D7E8B