2-Amino-6-(difluoromethyl)pyridine
 
Methyl 4-(bromomethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-acetate
 
2-(Bromomethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carbonyl chloride
 
Ethyl 5-(bromomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetate