4-Chloro-3-(chloromethyl)-6-(difluoromethyl)pyridine-2-carboxylic acid
4-Amino-3-(chloromethyl)-2-methyl-5-(trifluoromethoxy)pyridine
4-Amino-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-2-carboxylic acid
2-Chloro-4-nitro-3-(trifluoromethoxy)pyridine-5-methanol