For example, {HEAD ~ thiazoles, benzothiazoles, triazoles, and benzoxazoles compounds} are {TAIL ~ suitable heterocyclic antioxidants} 
For example , { HEAD ~ thiazoles , benzothiazoles , triazoles , and benzoxazoles compounds } are { TAIL ~ suitable heterocyclic antioxidants }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL