3-Amino-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-6-carboxylic acid
5-Bromo-3-chloro-4-(difluoromethyl)pyridine-2-carboxaldehyde
5-Bromo-4-chloro-3-(difluoromethyl)pyridine-2-carboxaldehyde
2-Amino-6-(difluoromethyl)-3-(trifluoromethyl)pyridine-5-carboxylic acid