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