3-(Chloromethyl)-2,5-difluoro-6-(trifluoromethoxy)pyridine
3,5-Diamino-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
6-(Chloromethyl)-2,4-difluoro-3-(trifluoromethoxy)pyridine
4,5-Diamino-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
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