4-Amino-2-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Bromo-4-hydroxy-2-nitro-6-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-6-carboxylic acid
4,5-Diamino-3-(trifluoromethoxy)pyridine-2-carboxylic acid