The method 1, wherein the phosphorus derivative is selected from {HEAD ~ the group} consisting of phosphonates and {TAIL ~ phosphonic acids} 
The method 1 , wherein the phosphorus derivative is selected from { HEAD ~ the group } consisting of phosphonates and { TAIL ~ phosphonic acids }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL