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