2-Iodo-5-(trifluoromethyl)pyridine-3-sulfonyl chloride
2-Iodo-4-(trifluoromethyl)pyridine-5-sulfonyl chloride
2-Iodo-3-(trifluoromethyl)pyridine-6-sulfonyl chloride
4-Hydroxy-2-nitronicotinaldehyde
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