6-(Difluoromethyl)-2-nitro-4-(trifluoromethyl)pyridine-3-sulfonyl chloride
Methyl 2-bromo-5-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 3-amino-5-(difluoromethyl)-6-nitropyridine-2-carboxylate
2-Amino-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-methanol