Are there alternatives to 1-Ethynyl-3-nitrobenzene (CAS: 3034-94-4) in synthesis?

For the synthesis of 1-Ethynyl-3-nitrobenzene (CAS: 3034-94-4), there are alternative reagents such as 3-nitrobenzene-1-carbaldehyde and 3-nitrobenzaldehyde that can be used as precursors. Isomers and analogs like 2-ethynyl-3-nitrobenzene can also be considered depending on the desired molecular structure. These alternatives can offer similar functional groups but with different physical and chemical properties, providing flexibility in the synthesis process.