1-(2,4-Difluorophenyl)piperazine115761-79-061 % similar 1-(2-Chlorophenyl)piperazine39512-50-056 % similar 1-(2-Methylphenyl)piperazine39512-51-156 % similar 1-[2-(Trifluoromethyl)phenyl]piperazine63854-31-956 % similar 1-(1-Naphthyl)piperazine57536-86-455 % similar 1-(2-Cyanophenyl)piperazine111373-03-653 % similar 1-(2-Ethylphenyl)piperazine40224-10-053 % similar 1-(2-Methoxyphenyl)piperazine35386-24-451 % similar N-(2-Chlorophenyl)piperazine monohydrochloride41202-32-851 % similar 2-(1-Piperazinyl)benzaldehyde736991-52-951 % similar Phenylpiperazine92-54-650 % similar 1-(2-Ethoxyphenyl)piperazine13339-01-049 % similar 4-(1-Piperazinyl)-1H-indole84807-09-049 % similar 2,3-Dichlorophenylpiperazine41202-77-149 % similar 1-(2-Methoxyphenyl)piperazine hydrobromide100939-96-647 % similar 1-(2-Methoxyphenyl)piperazine hydrochloride5464-78-847 % similar 1-(2-Nitrophenyl)piperazine59084-06-947 % similar 1-(3-Fluorophenyl)piperazine3801-89-646 % similar 1-Phenylpiperazine hydrochloride2210-93-745 % similar 1-(4-Fluorophenyl)piperazine2252-63-345 % similar