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