2-Nitro-3-(trifluoromethoxy)pyridine-6-sulfonamide
2,5-Diamino-4-methyl-3-(trifluoromethoxy)pyridine
2-Bromo-3,5-diamino-6-(trifluoromethoxy)pyridine
3,5-Diamino-4-methoxy-2-(trifluoromethoxy)pyridine
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