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4-Benzyloxyphenylacetic acid6547-53-1 4-Butoxybenzeneacetic acid4547-57-3 4-Butoxybenzoic acid1498-96-0 4-Chlorobutanoic acid627-00-9 4-Hydroxy-2-methylbenzoic acid578-39-2 4-Methylbenzenebutanoic acid4521-22-6 4-Methylumbelliferyl beta-D-glucuronide6160-80-1 4-Morpholineacetic acid3235-69-6 4-Nitrophthalic acid610-27-5 4-Octylbenzoic acid3575-31-3 4-Oxo-4H-1-benzopyran-2-carboxylic acid4940-39-0 4-Propylbenzoic acid2438-05-3 4-Vinylbenzoic acid1075-49-6 4,4′-(1,2-Diazenediyl)bis[benzoic acid]586-91-4 4′-Methyl[2,2′-bipyridine]-4-carboxylic acid103946-54-9 5-(1,1-Dimethylethyl) hydrogen N-[(1,1-dimethylethoxy)carbonyl]-L-glutamate13726-84-6 5-Benzoylvaleric acid4144-62-1 5-Bromo-2-furancarboxylic acid585-70-6 5-Bromopentanoic acid2067-33-6 5-Chloropentanoic acid1119-46-6