2-Amino-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-acetic acid
4-Bromo-5-fluoro-2-(trifluoromethoxy)pyridine-3-acetic acid
Ethyl 5-amino-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate
4-Bromo-3-fluoro-5-(trifluoromethoxy)pyridine-2-acetic acid