InChI=1/C20H18FNO4/c1-12-16-9-8-15(25-20(24)22(2)3)11-18(16)26-19(23)17(12)10-13-4-6-14(21)7-5-13/h4-9,11H,10H2,1-3H3 ABFC2BE60E2CBAC9