{HEAD ~ Suitable dicarboxylic acids} include adipic acid, azelaic acid, sebacic acid, {TAIL ~ dodecanedioic acid}, terephthalic acid, isophthalic acid, t butyl isophthalic acid, and mixtures thereof 
{ HEAD ~ Suitable dicarboxylic acids } include adipic acid , azelaic acid , sebacic acid , { TAIL ~ dodecanedioic acid } , terephthalic acid , isophthalic acid , t butyl isophthalic acid , and mixtures thereof
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH