A method in accordance 8, wherein {HEAD ~ said metal} is platinum, {TAIL ~ palladium} and ruthenium 
is
A method in accordance 8 , wherein { HEAD ~ said metal } is platinum , { TAIL ~ palladium } and ruthenium
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH