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