{HEAD ~ This type} of {TAIL ~ fragmentation} is also observed in negative ion mode where the metal complexation ECI process catalyzes a displacement reaction 
of
{ HEAD ~ This type } of { TAIL ~ fragmentation } is also observed in negative ion mode where the metal complexation ECI process catalyzes a displacement reaction
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH