Methyl 2-amino-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
3-Bromo-6-chloro-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine
Methyl 2-amino-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate
3-Amino-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylic acid