Mass Frontier 8.1 tutorial to Automatically Annotate Spectral Trees Using a Generated List of Fragment Structures - Mass Frontier 8.1 tutorial to Automatically Annotate Spectral Trees Using a Generated List of Fragment Structures - Mass Frontier Software - Mass Frontier Software - This tutorial describes detailed steps to familiarize with fragment annotation in the Mass Frontier™ 8.1 application. It demonstrates the steps involved to detect components in a chromatogram, generate a list of fragment structures for one of the identified components, and annotate the component’s spectral tree with the fragment structures.