2-Hydroxy-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Amino-3-(difluoromethyl)-2-nitropyridine-6-methanol
4-(Aminomethyl)-3-cyano-6-(difluoromethyl)pyridine-2-carboxaldehyde
2-Amino-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-4-carboxylic acid