3-Amino-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-Amino-5-hydroxy-3-(trifluoromethoxy)pyridine-6-acetic acid
6-Amino-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Amino-6-hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine