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