The oxygenate feedstock of this invention comprises at least one organic compound which contains {HEAD ~ at least one oxygen atom}, such as aliphatic alcohols, {TAIL ~ ethers}, carbonyl compounds  
The oxygenate feedstock of this invention comprises at least one organic compound which contains { HEAD ~ at least one oxygen atom } , such as aliphatic alcohols , { TAIL ~ ethers } , carbonyl compounds
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH