Ethyl 2-(aminomethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-5-acetate
Ethyl 6-(aminomethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetate
4-Iodo-5-methoxy-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-Iodo-4-methoxy-2-(trifluoromethoxy)pyridine-5-acetic acid