I get:
```
$: stat $(nix-build --no-out-link '<nixpkgs>' -A gtk3)/lib/libgtk-3.so.0
  File: /nix/store/vb7bfk56r23ab5c6pn72xlyrj1dygr9d-gtk+3-3.22.21/lib/libgtk-3.so.0 -> libgtk-3.so.0.2200.21
```