Specific examples thereof include iron powders, iron chloride, {HEAD ~ iron formate}, iron acetate, iron acrylate, and {TAIL ~ iron methacrylate} 
Specific examples thereof include iron powders , iron chloride , { HEAD ~ iron formate } , iron acetate , iron acrylate , and { TAIL ~ iron methacrylate }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL