Are there alternatives to (2E)-2-Butenedinitrile (CAS: 764-42-1) in synthesis?

There are several alternatives to (2E)-2-Butenedinitrile in synthesis, depending on the specific reaction conditions and desired outcome. Common alternatives include other nitriles, such as acrylonitrile, or different functional group reagents that can serve similar purposes, such as carboxylic acids or other unsaturated nitriles. The choice of alternative often depends on factors like availability, cost, reactivity, and environmental impact.