The process 1 wherein {HEAD ~ the isomerizable hydrocarbons} comprise {TAIL ~ normal paraffins} having from 4 to 7 carbon atoms per molecule 
comprise
The process 1 wherein { HEAD ~ the isomerizable hydrocarbons } comprise { TAIL ~ normal paraffins } having from 4 to 7 carbon atoms per molecule
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH