Methyl 3-amino-6-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
2-Amino-3-methoxy-6-methyl-5-(trifluoromethoxy)pyridine
Methyl 5-amino-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxylate
4-Bromo-2-chloro-6-(trifluoromethoxy)pyridine-3-carboxylic acid