.Beta.-(4,5-Diphenyloxazol-2-yl)propionic acid 2-Oxazolepropanoic acid, 4,5-diphenyl- 2-Oxazolepropionic acid, 4,5-diphenyl- 21256-18-8 3-(4, 5-Diphenyl-2-oxazolyl)propenoic acid 3-(4,5-Diphenyl-1,3-oxazol-2-yl)propanoic acid 4, 5-Diphenyl-2-oxazolepropionic acid AIDS-128972 AIDS128972 NSC310839 Oxaprozin WY 21743 WY-21,743