2-Amino-4-(fluoromethyl)-6-methyl-3-(trifluoromethoxy)pyridine
4-Amino-5-(chloromethyl)-3-methyl-2-(trifluoromethoxy)pyridine
4-Amino-2-(chloromethyl)-3-methyl-5-(trifluoromethoxy)pyridine
5-Amino-4-(chloromethyl)-3-methyl-2-(trifluoromethoxy)pyridine