5-Methyl-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-(Difluoromethyl)-6-methoxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
3-Methyl-4-nitro-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
Ethyl 5-(fluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate