{TAIL ~ The corrosion inhibitor} comprises an N ethoxy,2 substituted imidazoline, the N ethoxy substituent having from one to about thirty ethoxy units and {HEAD ~ the 2 substituent} being an unsaturated or polyunsaturated fatty chain of from about six to about thirty carbons 
{ TAIL ~ The corrosion inhibitor } comprises an N ethoxy,2 substituted imidazoline , the N ethoxy substituent having from one to about thirty ethoxy units and { HEAD ~ the 2 substituent } being an unsaturated or polyunsaturated fatty chain of from about six to about thirty carbons
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH