2-Hydroxyimino-3-pentanone

7-Hydroxy-1,4-benzodioxan-6-carboxylic Acid

7-Hydroxy Coumarin Sulfate

7-Hydroxy Coumarin 2,3,4-Tri-O-acetyl-b-D-glucuronide Methyl Ester

3a-Hydroxydesoxy Artemether

3-Hydroxy-2,2-dimethylbutyric Acid Ethyl Ester

5b-Hydroxy Drospirenone

4-Hydroxy-17b-estradiol

2-Hydroxyethylbenzimidazolidinone-2