对氟苯甲酸叔丁酯

5-(4-fluorophenyl)-3-methyl-1,2,4-oxadiazole

benzyl 4-fluorobenzoate

ethyl 2-[(4-fluorobenzoyl)amino]-3-oxobutanoate

2-(4-fluorophenyl)-5-methyl-1,3-oxazole-4-carboxylic acid