The process comprises treating the raw beans with the ester of an organic acid, in {HEAD ~ combination} with {TAIL ~ a ketone} 
with
The process comprises treating the raw beans with the ester of an organic acid , in { HEAD ~ combination } with { TAIL ~ a ketone }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL