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