{HEAD ~ The polymer} 8 wherein the polymer has {TAIL ~ a I10 /I2} of about 16 
{ HEAD ~ The polymer } 8 wherein the polymer has { TAIL ~ a I10 /I2 } of about 16
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH