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