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