InChI=1/C18H20ClN3O4/c1-2-21-9-7-12(8-10-21)20-18(23)17-6-5-16(26-17)14-4-3-13(22(24)25)11-15(14)19/h3-6,11-12H,2,7-10H2,1H3,(H,20,23)/p+1/fC18H21ClN3O4/h20-21H/q+1 CC85B81B326E84AE