InChI=1/C18H19ClFN3O4/c1-11(22(2)10-12-4-7-17(27-3)14(20)8-12)18(24)21-15-6-5-13(19)9-16(15)23(25)26/h4-9,11H,10H2,1-3H3,(H,21,24)/p+1/t11-/m1/s1/fC18H20ClFN3O4/h21-22H/q+1 B23D4978D7E7677E