4-(Difluoromethyl)-3-methoxy-6-nitropyridine-2-sulfonyl chloride
Ethyl 2-cyano-3-methyl-4-(trifluoromethoxy)pyridine-6-acetate
Ethyl 2-amino-6-cyano-3-(difluoromethyl)pyridine-4-carboxylate
Ethyl 3-(bromomethyl)-6-cyano-2-(trifluoromethoxy)pyridine-5-acetate