3-(Chloromethyl)-2-(difluoromethyl)-6-methoxypyridine-5-carboxylic acid
3-(Fluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine
2,3-Bis(2,4-dichlorophenyl)isonicotinic acid
2,6-Bis(2,4-dichlorophenyl)pyridine
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