The present invention is directed to novel 1 piperazine derivatives substituted at {HEAD ~ the position} 2 of {TAIL ~ the phenyl ring} 
of
The present invention is directed to novel 1 piperazine derivatives substituted at { HEAD ~ the position } 2 of { TAIL ~ the phenyl ring }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL