3-Chloro-5-(2,3-difluorophenyl)picolinic acid
6-Chloro-2-(2,3-difluorophenyl)nicotinic acid
5-Chloro-2-(2,3-difluorophenyl)nicotinic acid
3-Chloro-5-(2,3-difluorophenyl)isonicotinic acid
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