4-(Chloromethyl)-2-(difluoromethyl)-5-hydroxypyridine-3-carboxaldehyde
2-(Aminomethyl)-3-methyl-5-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Amino-5-methyl-6-(trifluoromethoxy)pyridine-3-sulfonamide
2-Nitro-6-(trifluoromethoxy)pyridine-3-carboxylic acid