Methyl 2-(aminomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylate
2-(Bromomethyl)-3-(difluoromethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-5-acetic acid
2-(Difluoromethyl)-3-methyl-5-(trifluoromethoxy)pyridine-4-carboxylic acid