{HEAD ~ This invention} relates to selective chemical reactions and to {TAIL ~ branched molecules}, including dendritic polymers, and to polymers tipped with functional groups 
{ HEAD ~ This invention } relates to selective chemical reactions and to { TAIL ~ branched molecules } , including dendritic polymers , and to polymers tipped with functional groups
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH