InChI=1/C18H18ClN3O4/c1-21(2)16(11-9-20-13-6-4-5-12(19)15(11)13)10-7-8-14(23)18(26-3)17(10)22(24)25/h4-9,16,20,23H,1-3H3/t16-/m0/s1 E25308BE888F1B0D