Piperazine dihydrochloride

1-[3-(2,3-dihydro-1H-inden-5-yloxy)propyl]-4-(4-fluorophenyl)piperazine dihydrochloride

1-[(3E)-3-(2-chloro-9H-thioxanthen-9-ylidene)propyl]piperazine dihydrochloride

1-[3-(4-nitrophenoxy)propyl]-4-[3-(trifluoromethyl)phenyl]piperazine dihydrochloride