InChI=1/C18H20ClFN2O4/c1-4-8-22-11(2)14(17(23)26-10-9-25-3)16(21-18(22)24)15-12(19)6-5-7-13(15)20/h4-7,16H,1,8-10H2,2-3H3,(H,21,24)/t16-/m1/s1/f/h21H CB157B65605C7C99