3,5-Dichloro-4-(2,3-dichlorophenyl)pyridine
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
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