ethyl 4-[[4-[(4-ethoxycarbonylphenyl)carbamoyl]benzoyl]amino]benzoate

ethyl 4-[(2,2,2-trifluoroacetyl)amino]benzoate

ethyl 4-(1,3-thiazol-2-ylamino)benzoate

ethyl 4-(quinolin-3-ylmethylamino)benzoate

5-(4-aminophenyl)-3H-1,3,4-oxadiazole-2-thione