Thus, typically and preferably, the method involves cleaving the derivatized molecule from {HEAD ~ the linker functionalized support} at {TAIL ~ the site} of the covalent attachment to the linker 
at
Thus , typically and preferably , the method involves cleaving the derivatized molecule from { HEAD ~ the linker functionalized support } at { TAIL ~ the site } of the covalent attachment to the linker
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH