ethyl 4-(1,3,4-thiadiazol-2-ylcarbamoylamino)benzoate

ethyl 4-(1,3-benzothiazol-2-ylcarbamoylamino)benzoate

ethyl 4-[(6-methoxy-1,3-benzothiazol-2-yl)carbamoylamino]benzoate

4-(1,3-thiazol-2-ylcarbamoylamino)benzoic acid

4-[[3-(1-phenylpropan-2-yl)oxadiazol-3-ium-5-yl]carbamoylamino]benzoate