Ethyl 2-amino-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 2-amino-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate
4-Bromo-3-methoxy-5-(trifluoromethoxy)pyridine-2-carboxylic acid
4-Bromo-6-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid