4-Amino-5-methoxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Amino-2-chloro-4-(chloromethyl)-6-(trifluoromethoxy)pyridine
4-Amino-5-chloro-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine
3-Amino-4-(chloromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine