4-Iodo-5-methoxy-3-nitro-2-(trifluoromethoxy)pyridine
6-Hydroxy-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide
4-Iodo-3-methoxy-2-nitro-5-(trifluoromethoxy)pyridine
2-Hydroxy-3-nitro-5-(trifluoromethoxy)pyridine-6-sulfonamide
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