3-Amino-5-methoxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-Amino-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Amino-4-methoxy-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
5-Amino-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylic acid