ethyl 2-(4-fluorophenyl)-6-nitro-5-propan-2-yloxy-1-benzofuran-3-carboxylate

ethyl 2-(4-fluorophenyl)-5-hydroxy-6-nitro-1-benzofuran-3-carboxylate

Ethyl 6-amino-5-cyclopropyl-2-(4-fluorophenyl)-1-benzofuran-3-car boxylate

1-tert-butyl-5-(4-fluorophenyl)pyrazole-4-carboxylic acid

6-(4-fluorophenyl)-1,3-oxazine-2,4-dione