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