Methyl 5-(chloromethyl)-2-(difluoromethyl)-3-methoxypyridine-4-carboxylate
2-(Chloromethyl)-3-(difluoromethyl)-5-methyl-4-(trifluoromethoxy)pyridine
3-(Chloromethyl)-6-(difluoromethyl)-2-methyl-5-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-3-iodo-5-(trifluoromethoxy)pyridine