Methyl 5-(chloromethyl)-2-(difluoromethyl)-4-methoxypyridine-3-carboxylate
Ethyl 3-amino-6-methoxy-2-(trifluoromethoxy)pyridine-4-carboxylate
3-(Difluoromethyl)-4-iodo-2-methoxypyridine-6-sulfonamide
2-(Difluoromethyl)-6-nitro-5-(trifluoromethoxy)pyridine-3-carbonyl chloride