6-Cyano-3-methoxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Cyano-5-methoxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-Cyano-4-methoxy-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Cyano-3-methoxy-2-(trifluoromethoxy)pyridine-5-methanol
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