Are there alternatives to 4-chloroaniline hydrochloride (CAS: 20265-96-7) in synthesis?

Alternative reagents to 4-chloroaniline hydrochloride include 2-chloroaniline and 3-chloroaniline, which are structurally similar and can be used in similar reactions. Other synthetic routes may involve using aniline and chlorine gas in a substitution reaction or using 4-chloroaniline itself as a precursor. These alternatives can be considered based on the specific requirements of the synthesis and the availability of reagents.