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