InChI=1/C20H19ClN2O5/c1-11(2)19(24)26-7-8-27-20(25)16-12(3)28-18(23)15(10-22)17(16)13-5-4-6-14(21)9-13/h4-6,9,17H,1,7-8,23H2,2-3H3/t17-/m1/s1 F658FC79098E8E3B