Thus, {HEAD ~ the compound} noted above with {TAIL ~ at least two urethane groups} present on the hydroxyls, as well as at least three urethanes likewise present are preferred as well 
with
Thus , { HEAD ~ the compound } noted above with { TAIL ~ at least two urethane groups } present on the hydroxyls , as well as at least three urethanes likewise present are preferred as well
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH