5-Amino-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-carboxylic acid
Ethyl 3-amino-6-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-carboxylate
3-Amino-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-5-acetic acid
Ethyl 5-amino-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-carboxylate