{TAIL ~ a curing agent} comprising a plurality of groups that are reactive with the functional groups on {HEAD ~ compound}  
{ TAIL ~ a curing agent } comprising a plurality of groups that are reactive with the functional groups on { HEAD ~ compound }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH