Are there alternatives to 3-Amino-4-cyclobutyl-2-hydroxybutanamide hydrochloride (CAS: 394735-23-0) in synthesis?

For synthesis, alternatives to 3-Amino-4-cyclobutyl-2-hydroxybutanamide hydrochloride (CAS: 394735-23-0) may include similar compounds such as 3-amino-2-hydroxybutanamide or its isomers. Common alternative reagents, such as different amines or carboxylic acids, can also serve as substitutes, depending on the specific reaction conditions and desired product properties.