3,5-Diamino-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
4,5-Diiodo-2-nitro-3-(trifluoromethoxy)pyridine
3,6-Diamino-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
2,6-Diiodo-4-nitro-3-(trifluoromethoxy)pyridine
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