{HEAD ~ Exemplary acids} include succinic acid, {TAIL ~ glutaric acid}, adipic acid, dodecanedioc acid 
include
{ HEAD ~ Exemplary acids } include succinic acid , { TAIL ~ glutaric acid } , adipic acid , dodecanedioc acid
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH