2-Butenoicacid, 4-(4-ethoxyphenyl)-4-oxo-, (E)-;Acrylic acid, 3-(p-ethoxybenzoyl)-, (E)-(8CI);trans-3-(4-Ethoxybenzoyl)acrylic acid;(2E)-4-(4-ethoxyphenyl)-4-oxobut-2-enoic acid;2-Butenoic acid, 4-(4-ethoxyphenyl)-4-oxo-, (2E)-;4-(4-ethoxyphenyl)-4-oxobut-2-enoic acid;
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