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