For example, in unlabeled compounds, such as peptides, {HEAD ~ a process} referred to herein {TAIL ~ as electrochemically initiated metal catalyzed dissociation} can be used 
For example , in unlabeled compounds , such as peptides , { HEAD ~ a process } referred to herein { TAIL ~ as electrochemically initiated metal catalyzed dissociation } can be used
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH