4-Amino-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-Amino-5-methyl-6-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Bromo-3-fluoro-5-(trifluoromethoxy)pyridine-6-carboxylic acid
2-Amino-5-methyl-4-(trifluoromethoxy)pyridine-3-carboxylic acid