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3-Cyano-2-hydroxy-5-iodopyridine 2-HYDROXY-5-IODO-BENZONITRILE 3-BroMo-6-chloropyridin-2-ol 5-BROMO-3-CHLORO-2-HYDROXYPYRIDINE 5-IODO-3-(TRIFLUOROMETHYL)-2(1H)-PYRIDINONE 2-HYDROXY-3-PHENYLPYRIDINE 5-Chloro-2-hydroxypyrazine 2-hydroxy-5-iodonicotinic acid 2-HYDROXY-5-NITRO-3-(TRIFLUOROMETHYL)PYRIDINE