{TAIL ~ The method} 1 wherein R7 is a protecting group and conducting one or more reactions on the linker attached to {HEAD ~ the azlactone} functionalized support comprises removing the protecting group 
{ TAIL ~ The method } 1 wherein R7 is a protecting group and conducting one or more reactions on the linker attached to { HEAD ~ the azlactone } functionalized support comprises removing the protecting group
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH