Methyl 3-amino-2-(difluoromethyl)-4-methylpyridine-5-acetate
3-(Bromomethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-6-acetic acid
3-(Difluoromethyl)-5-methoxy-6-nitropyridine-2-sulfonamide
4-Amino-5-(bromomethyl)-3-fluoro-2-(trifluoromethoxy)pyridine