pegasus4didentification 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 moreNo 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 resolution