{HEAD ~ These methods} include converting {TAIL ~ the acid} to an activated acid and reacting with one or more molar equivalents of the desired amine 
include converting
{ HEAD ~ These methods } include converting { TAIL ~ the acid } to an activated acid and reacting with one or more molar equivalents of the desired amine
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH