2-Chloro-3-(3,4-dichlorophenyl)pyridine-5-acetic acid
2-Chloro-6-(3,4-dichlorophenyl)pyridine-4-acetic acid
2-Chloro-3-(3,4-dichlorophenyl)-6-methoxypyridine
3,5-Dichloro-2-(3,4-dichlorophenyl)pyridine-4-acetic acid
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