use nix -p chicken chickenPackages_5.chickenEggs.apropos chickenPackages_5.chickenEggs.chicken-doc chickenPackages_5.chickenEggs.srfi-1 chickenPackages_5.chickenEggs.srfi-18 chickenPackages_5.chickenEggs.srfi-34 chickenPackages_5.chickenEggs.srfi-35 chickenPackages_5.chickenEggs.srfi-158 chicken chickenPackages_5.chickenEggs.apropos chickenPackages_5.chickenEggs.chicken-doc chickenPackages_5.chickenEggs.srfi-1 chickenPackages_5.chickenEggs.srfi-18 chickenPackages_5.chickenEggs.test