recovering {HEAD ~ the resulting arylalkylpolyfluoro metalloid iodonium salt} from {TAIL ~ the mixture} of , and 
from
recovering { HEAD ~ the resulting arylalkylpolyfluoro metalloid iodonium salt } from { TAIL ~ the mixture } of , and
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH