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