InChI=1/C18H20ClN3O3/c1-11(17(20)23)25-18(24)16-14-5-3-2-4-6-15(14)22(21-16)13-9-7-12(19)8-10-13/h7-11H,2-6H2,1H3,(H2,20,23)/t11-/m1/s1/f/h20H2 8D7D9A1E6227E8FE