4-Phenylnicotinic acid
6-Phenyl-1H-pyrrolo[2,3-b]pyridine-4-carboxylic acid
6-Phenyl-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid
5-Phenyl-1H-pyrrolo[2,3-b]pyridine-4-carboxylic acid
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