3-(2,4-Dichlorophenyl)-6-mercapto-2-(trifluoromethyl)pyridine
4-(Bromomethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-sulfonyl chloride
5-Iodo-4-methyl-3-(trifluoromethoxy)pyridine-2-carbonyl chloride
3-Amino-2-(chloromethyl)-5-nitro-4-(trifluoromethoxy)pyridine