pegasus4dNo longer limited to two analytical dimensions, the Pegasus 4D GC×GC-TOFMS system (LECO, St. Joseph, Michan, USA) provides us with four dimensions of analytical resolutionidentification from our Pegasus 4D (top) of an analyte with very different odor properties. The Pegasus GC-HRT 4D + (bottom) has improved the identification of this component to a more