Are there alternatives to Ethyl 2-bromo-6-chlorobenzoate (CAS: 933672-18-5) in synthesis?

There are several alternatives to Ethyl 2-bromo-6-chlorobenzoate, such as ethyl 2-chloro-6-nitrobenzoate and ethyl 2-chloro-6-iodobenzoate. Isomers like ethyl 6-bromo-2-chlorobenzoate can also serve as substitutes, offering similar functional groups but with different reactivity. Common alternative reagents include chlorosulfonic acid and phosphorus oxychloride, which can be used in place of bromine for halogenation steps.