3-Fluoro-2-(perchlorophenyl)pyridine-6-acetic acid
3-Fluoro-2-(perchlorophenyl)pyridine-5-acetic acid
3-Fluoro-2-(perchlorophenyl)pyridine-4-acetic acid
2-Fluoro-6-(perchlorophenyl)pyridine-4-acetic acid
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