3-Chloro-6-(2,6-dichlorophenyl)picolinaldehyde
3-Chloro-5-(2,6-dichlorophenyl)picolinaldehyde
3-Chloro-5-(2,6-dichlorophenyl)isonicotinaldehyde
6-Chloro-3-(2,6-dichlorophenyl)picolinaldehyde
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