2-Amino-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Amino-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Amino-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-methanol
Methyl 2-bromo-4-cyano-3-(trifluoromethoxy)pyridine-5-carboxylate