A perborate or {HEAD ~ monopersulfate} is used in {TAIL ~ conjunction} with a monoperphthalic acid 
A perborate or { HEAD ~ monopersulfate } is used in { TAIL ~ conjunction } with a monoperphthalic acid
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH