5-Chloro-6-(2,4-dichlorophenyl)nicotinaldehyde
2-Chloro-5-(2,4-dichlorophenyl)isonicotinaldehyde
3-Chloro-2-(2,4-dichlorophenyl)-5-methoxypyridine
3,6-Bis(2,4-dichlorophenyl)-2-chloropyridine
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