3-Chloro-5-(3,4-dichlorophenyl)isonicotinic acid
5-Chloro-3-(3,4-dichlorophenyl)pyridine-2-acetic acid
3-Chloro-6-(3,4-dichlorophenyl)picolinic acid
2-Chloro-6-(3,4-dichlorophenyl)nicotinic acid
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