pegasus 4dGCxGC, combined with the Pegasus HT TOFMS, changes the perspective of complex sample analysis. No longer limited to two analytical dimensions, the Pegasus 4D GCxGC-TOFMSGCxGC, combined with the Pegasus HT TOFMS, changes the perspective of complex sample analysis. No longer limited to two analytical dimensions, the Pegasus 4D GCxGC-TOFMS