2-Chloro-5-(2,3-dichlorophenyl)isonicotinic acid
5-Chloro-3-(2,3-dichlorophenyl)-2-methoxypyridine
2,3,4-Trichloro-5-(2,3,6-trichlorophenyl)pyridine
6-Chloro-3-(3,5-dichlorophenyl)pyridine-2-methanol
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