2-Amino-5-(chloromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylic acid
6-Amino-2-methyl-3-nitro-4-(trifluoromethoxy)pyridine
2-Amino-3-(chloromethyl)-6-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Amino-5-methyl-6-nitro-3-(trifluoromethoxy)pyridine