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3-Methylfuran-2-carboxylic acid4412-96-8 3-Nitrophthalic acid603-11-2 3-Nitrosalicylic acid85-38-1 3-Phenoxypropionic acid7170-38-9 3-Thiophenemalonic acid21080-92-2 3,4-Dehydro-L-proline4043-88-3 3,4,5-Trimethoxycinnamic acid90-50-6 3,5-Dihydroxyphenylacetic acid4670-09-1 4-(1-Methylethyl)benzeneacetic acid4476-28-2 4-(1,1-Dimethylethyl)benzeneacetic acid32857-63-9 4-(Chloromethyl)benzoic acid1642-81-5 4-(Diethylamino)benzoic acid5429-28-7 4-(Heptyloxy)benzoic acid15872-42-1 4-(Hydroxymethyl)benzoic acid3006-96-0 4-(Methylthio)benzeneacetic acid16188-55-9 4-(Methylthio)benzoic acid13205-48-6 4-(Trifluoromethyl)anthranilic acid402-13-1 4-[(Aminothioxomethyl)amino]benzoic acid7366-56-5 4-[(Trifluoromethyl)thio]benzoic acid330-17-6 4-[[(1,1-Dimethylethoxy)carbonyl]amino]cyclohexanecarboxylic acid130309-46-5