4-Oxo-4-phenyl-2-butenoic acid, 3-Benzoylacrylic acid, Benzoylacrylic acid, 2-Butenoic acid, 4-oxo-4-phenyl-, 4-oxo-4-phenyl-but-2-enoic acid, 2-Butenoic acid,4-oxo-4-phenyl, Acrylic acid,3-benzoyl, Crotonic acid,4-oxo-4-phenyl
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