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Hydroxyacetic acid hydrazide

2-Hydroxyamino-3,8-dimethylimidazo[4,5-f]quinoxaline

4-Hydroxy-7-methoxy-6-azaindole

7-Hydroxy-4-methoxy-6-azaindole

2-Hydroxy-4-benzyloxyacetophenone

2-Hydroxy-1-methyl-6-phenylimidazo[4,5-b]pyridine

3-Hydroxy-5-phenylpyrrole

5-Iodotubercidin

4-Isobutyl-2-pyrrolidinone