{HEAD ~ This invention} is also directed to {TAIL ~ a method} of synthesis of the novel class of compounds and use of the compounds to regulate growth of plants 
is directed to
{ HEAD ~ This invention } is also directed to { TAIL ~ a method } of synthesis of the novel class of compounds and use of the compounds to regulate growth of plants
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH