5-Cyano-3-(fluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine
2-Cyano-5-methoxy-3-nitro-4-(trifluoromethoxy)pyridine
3-Cyano-5-(fluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine
6-Cyano-4-methoxy-3-nitro-2-(trifluoromethoxy)pyridine
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