5-Chloro-6-(3,4-dichlorophenyl)picolinaldehyde
2-Chloro-5-(3,4-dichlorophenyl)isonicotinaldehyde
3-Chloro-2-(3,4-dichlorophenyl)-5-methoxypyridine
5-Chloro-2-(3,4-dichlorophenyl)isonicotinaldehyde
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