4,5-Difluoro-3-methoxy-2-(trifluoromethoxy)pyridine
4,5-Dichloro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
2,6-Difluoro-4-methoxy-3-(trifluoromethoxy)pyridine
2,6-Dichloro-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
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