5-Amino-2-(fluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine
2-Bromo-3-chloro-4-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Amino-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylic acid
4-Amino-3-(fluoromethyl)-6-nitro-2-(trifluoromethoxy)pyridine