The active ester is conjugated to an immunogenic carrier containing a primary amine to form the immunogen having, at least, the immunological specificity of {TAIL ~ the organic compound} and {HEAD ~ the immunogenicity} of the carrier 
The active ester is conjugated to an immunogenic carrier containing a primary amine to form the immunogen having , at least , the immunological specificity of { TAIL ~ the organic compound } and { HEAD ~ the immunogenicity } of the carrier
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH