4-(Difluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine-6-sulfonamide
Methyl 3-methoxy-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxylate
3-Methoxy-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-acetic acid
2-Nitro-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-sulfonyl chloride