3-Amino-2-chloro-4-(trifluoromethoxy)pyridine-6-sulfonamide
4-Amino-3-(chloromethyl)-6-(trifluoromethoxy)pyridine-2-acetic acid
2-Amino-3-methoxy-4-nitro-6-(trifluoromethoxy)pyridine
4-Amino-3-(chloromethyl)-2-(trifluoromethoxy)pyridine-6-acetic acid