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