The process 2 wherein the step of contacting a 3,4 dihalothiophene with an alkoxide is performed in {HEAD ~ the presence} of {TAIL ~ a solvent} 
of
The process 2 wherein the step of contacting a 3,4 dihalothiophene with an alkoxide is performed in { HEAD ~ the presence } of { TAIL ~ a solvent }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL