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