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