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