The novel compounds have the general structural formula ##STR4## in which {TAIL ~ R} is H or CH3, R is halogen, trifluoromethyl, cyano or C1 to {HEAD ~ C3 alkyl} or alkoxy and n is zero or an integer from 1 to 2 
The novel compounds have the general structural formula # # STR4 # # in which { TAIL ~ R } is H or CH3 , R is halogen , trifluoromethyl , cyano or C1 to { HEAD ~ C3 alkyl } or alkoxy and n is zero or an integer from 1 to 2
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH