{HEAD ~ Another object} of the invention is to provide processes for synthesizing {TAIL ~ these novel iron sulfides} 
{ HEAD ~ Another object } of the invention is to provide processes for synthesizing { TAIL ~ these novel iron sulfides }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL