I have discovered a novel class of {HEAD ~ compounds} which are useful as growth regulators, particularly for the purpose of yield enhancement or increasing the fruit set of {TAIL ~ crop plants} 
I have discovered a novel class of { HEAD ~ compounds } which are useful as growth regulators , particularly for the purpose of yield enhancement or increasing the fruit set of { TAIL ~ crop plants }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD 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