The composition 1, wherein the water soluble and non {HEAD ~ peptidic polymer} having two or more terminal hydroxyl groups has from 2 {TAIL ~ to 300 hydroxyl groups} 
has from
The composition 1 , wherein the water soluble and non { HEAD ~ peptidic polymer } having two or more terminal hydroxyl groups has from 2 { TAIL ~ to 300 hydroxyl groups }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL