Methyl 5-(difluoromethyl)-2-methyl-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 2-(chloromethyl)-3-(difluoromethyl)-5-methoxypyridine-6-carboxylate
Methyl 2-(chloromethyl)-3-(difluoromethyl)-4-methoxypyridine-5-carboxylate
4-(Difluoromethyl)-5-methyl-2-(trifluoromethoxy)pyridine-3-acetic acid