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2beta-Hydroxyursolic acid

N-Hydroxyurethane

3-Hydroxytyramine hydrochloride

5-Hydroxytryptophan

5-Hydroxytryptamine

(2R,3S,4S,5S)-5-Hydroxy-2,3,4-tris(phenylmethoxy)-5-[(phenylmethoxy)methyl]-cyclohexanone

16-Hydroxytriptolide

4-Hydroxy-6-(trifluoromethyl)pyrimidine

2-Hydroxy-4-(trifluoromethyl)pyrimidine