4-Bromo-3-mercapto-2-(trifluoromethyl)pyridine
6-Chloro-4-(chloromethyl)-3-(difluoromethyl)pyridine-2-carboxaldehyde
3-Chloro-2-(2,5-dichlorophenyl)pyridine-5-acetic acid
5-Bromo-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
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