The process 1 wherein said {HEAD ~ hydrocarbons} are acetylene, ethylene, propylene, propane, n butane, iso butane, {TAIL ~ the n butylene isomers} and the various iso butylene isomers 
are
The process 1 wherein said { HEAD ~ hydrocarbons } are acetylene , ethylene , propylene , propane , n butane , iso butane , { TAIL ~ the n butylene isomers } and the various iso butylene isomers
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH