5-Chloro-3-(2,4-dichlorophenyl)picolinic acid
3-Chloro-6-(2,4-dichlorophenyl)picolinaldehyde
2-Chloro-6-(2,4-dichlorophenyl)isonicotinic acid
6-Chloro-3-(2,4-dichlorophenyl)picolinaldehyde
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