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4-Hydroxyisophthalic acid

4-Hydroxy-4-isopropoxydiphenylsulfone

3-Hydroxyisoquinoline

Hydroxylamine hydrochloride

Hydroxylamine sulfate

Hydroxylamine-O-sulfonic acid

2-Hydroxy-4-methyl-3-nitropyridine

2-Hydroxy-4-methyl-5-nitropyridine

2-Hydroxy-5-methyl-3-nitropyridine

4-Hydroxy-6-methylnicotinic acid