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1-(4-Acetylphenyl)piperazine51639-48-6100 % similar 4'-Piperidinoacetophenone10342-85-570 % similar 1-[4-(4-Methyl-1-piperazinyl)phenyl]ethanone26586-55-066 % similar 4-Morpholinoacetophenone39910-98-066 % similar 4'-Diethylaminoacetophenone5520-66-162 % similar 4-Dimethylaminoacetophenone2124-31-453 % similar 1-(p-Tolyl)piperazine39593-08-353 % similar 1,4-Diacetylbenzene1009-61-652 % similar 1-(4-Chlorophenyl)piperazine38212-33-850 % similar 1-(4-Methoxyphenyl)piperazine38212-30-549 % similar 1-(4-Fluorophenyl)piperazine2252-63-349 % similar p-(1-Piperazinyl)phenol56621-48-849 % similar 1-(4-Bromophenyl)piperazine66698-28-049 % similar Phenylpiperazine92-54-648 % similar N-(4-Acetylphenyl)maleimide1082-85-547 % similar 1-Biphenyl-4-yl-piperazine180698-19-547 % similar P-Chloroacetophenone99-91-247 % similar 4,4'-Diacetylbiphenyl787-69-947 % similar 1-(4-Ethoxyphenyl)piperazine46415-29-646 % similar 1-(4-Chlorophenyl)piperazine hydrochloride13078-12-146 % similar