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Keywords: 5711-41-1 OR trans-3-(4-Methoxybenzoyl)acrylic acid OR 4-(4-methoxyphenyl)-4-oxobut-2-enoic acid OR (2E)-4-(4-Methoxyphenyl)-4-oxo-2-butenoic acid OR (2E)-4-(4-methoxyphenyl)-4-oxobut-2-enoic acid OR (E)-4-(4-Methoxy-phenyl)-4-oxo-but-; 2-enoic acid
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