One embodiment of the invention is directed to a process for the chemical modification of {HEAD ~ organic compounds} to form {TAIL ~ immunogens} 
to form
One embodiment of the invention is directed to a process for the chemical modification of { HEAD ~ organic compounds } to form { TAIL ~ immunogens }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL