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I can't see in my pictures(and can't remember) if this flower is hairy, as the Erysimum normaly are... I think you are right about Erysimum, but not sure if it is Cheiriflorum, Cheiranthus (montains. We were at 2000 m heigh) or Odoratum or other.
Lat/Lng: 43.269, -4.78