InChI=1/C15H14FNO5/c1-2-21-14(20)11-12(18)13(19)17-15(11)5-6-22-10-4-3-8(16)7-9(10)15/h3-4,7,20H,2,5-6H2,1H3,(H,17,19)/p-1/b14-11-/t15-/m1/s1/fC15H13FNO5/h20h,17H/q-1 66D8C0D17FD15011