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