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