4-Amino-3-Hydroxybutanoic Acid is used as a chiral reagent in the synthesis of antiepileptic and hypotensive drug GABOB and analogues. Also used in the preparation of HIV-1 inhibitors derived from Betulinic Acid (B330250).

https://www.targetmol.com/compound/4-Amino-3-hydroxybutyric%20Acid