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1-[4-(4-Aminophenyl)piperazin-1-yl]ethan-1-one92394-00-8100 % similar 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone67914-60-767 % similar 4-(4-Acetyl-1-piperazinyl)-2-(methyloxy)aniline1021426-42-558 % similar 4-(4-Aminophenyl)piperazine-1-carboxylic acid tert-butyl ester170911-92-957 % similar N-(4-Aminophenyl)-N-methylacetamide119-63-156 % similar 4-(4-Methylpiperazin-1-yl)aniline16153-81-454 % similar 1-Acetyl-4-(3-hydroxyphenyl)piperazine67915-02-052 % similar 4-(4-Ethyl-1-piperazinyl)benzenamine115619-01-751 % similar 4-(Piperidin-1-yl)aniline2359-60-650 % similar 4-[4-(4-Methoxyphenyl)-1-piperazinyl]benzenamine74852-62-350 % similar 4-[4-(4-Aminophenyl)-1-piperazinyl]phenol74853-08-050 % similar 4-(4-Aminophenyl)thiomorpholine 1,1-dioxide105297-10-747 % similar 4-Morpholinoaniline2524-67-647 % similar N,N-Diethyl-p-phenylenediamine oxalate62637-92-746 % similar Color developing agent 193-05-046 % similar 4-(4-Benzylpiperazin-1-yl)aniline16154-69-144 % similar 1-Acetyl-5-amino-2,3-dihydro-(1H)-indole4993-96-843 % similar 1-Acetylpiperazine13889-98-043 % similar N-Acetylpyrrolidine4030-18-642 % similar N,N-Diethyl-p-phenylenediamine hydrochloride2198-58-542 % similar