3-(Chloromethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-(Chloromethyl)-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carbonyl chloride
2-(Chloromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-sulfonyl chloride
2-Amino-3-(difluoromethyl)pyridine