3-(4-bromophenyl)-2-[(4-iodobenzoyl)amino]propanoic acid 3-(4-bromophenyl)-2-[[(4-iodophenyl)-oxomethyl]amino]propanoic acid 3-(4-bromophenyl)-2-[(4-iodobenzoyl)amino]propionic acid 3-(4-bromophenyl)-2-[(4-iodophenyl)carbonylamino]propanoic acid NCI60_003164 NSC353283