3-Fluoro-2-(2,4,6-trichlorophenyl)isonicotinic acid
3-Fluoro-2-(2,3,4-trichlorophenyl)isonicotinic acid
2-Fluoro-6-(3,4,5-trichlorophenyl)isonicotinic acid
2-Fluoro-6-(2,4,6-trichlorophenyl)isonicotinic acid
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