Are there alternatives to 2-Amino-1-(1-pyrrolidinyl)ethanone hydrochloride (CAS: 35855-14-2) in synthesis?

There are several alternatives to 2-Amino-1-(1-pyrrolidinyl)ethanone hydrochloride (CAS: 35855-14-2) in synthesis, such as 2-Amino-1-(2-pyrrolidinyl)ethanone and 2-Amino-1-(4-pyrrolidinyl)ethanone. These compounds can serve similar functional roles in certain chemical reactions. Common alternative reagents include substituted amines and other amine derivatives, which can be used depending on the specific application and desired end product.