When the oxygenate is an alcohol, the alcohol can include {HEAD ~ an aliphatic moiety} having from 1 to 10 carbon atoms, more preferably from {TAIL ~ 1 to 4 carbon atoms} 
When the oxygenate is an alcohol , the alcohol can include { HEAD ~ an aliphatic moiety } having from 1 to 10 carbon atoms , more preferably from { TAIL ~ 1 to 4 carbon atoms }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL