Ethyl 3-chloro-5-(difluoromethyl)-2-fluoropyridine-4-carboxylate
2-(Difluoromethyl)-4-methyl-3-(trifluoromethoxy)pyridine-5-acetic acid
3-Amino-5-(difluoromethyl)-2-methoxypyridine-6-carbonyl chloride
5-Amino-3-(difluoromethyl)-4-methoxy-2-methylpyridine