InChI=1/C18H18ClN3O4/c1-21(2)16(13-9-20-14-8-10(19)4-5-11(13)14)12-6-7-15(23)18(26-3)17(12)22(24)25/h4-9,16,20,23H,1-3H3/t16-/m0/s1 FDBBAC211049CEBC