Methyl 2-(chloromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-5-acetate
Ethyl 2-(aminomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-5-acetate
2-(Difluoromethyl)-6-hydroxy-4-methyl-3-(trifluoromethoxy)pyridine
3-(Chloromethyl)-6-hydroxy-4-(trifluoromethoxy)pyridine-2-acetic acid