3-(Chloromethyl)-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-sulfonyl chloride
5-(Chloromethyl)-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-sulfonyl chloride
3-(Chloromethyl)-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-sulfonyl chloride
5-(Aminomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylic acid