InChI=1/C18H18ClN3O5/c1-18(2,11-3-6-15-16(7-11)27-10-26-15)20-9-17(23)21-14-5-4-12(22(24)25)8-13(14)19/h3-8,20H,9-10H2,1-2H3,(H,21,23)/p+1/fC18H19ClN3O5/h20-21H/q+1 4FC88E6991D68F46