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