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