2-Amino-6-(difluoromethyl)-3-methoxypyridine-4-sulfonyl chloride
Ethyl 4-chloro-6-methyl-2-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-(chloromethyl)-3-iodo-2-(trifluoromethoxy)pyridine-6-carboxylate
2-(Difluoromethyl)-5-methoxy-3-nitropyridine-6-sulfonyl chloride