![(3Z)-3-[hydroxy(phenyl)methylidene]-5,7-dimethyl-2-[3-(4-phenylpiperazin-1-yl)propyl]-2,3-dihydro-4H-pyrido[3,2-e][1,2]thiazin-4-one 1,1-dioxide](/structure/164357-32-8.png)
![(3Z)-3-[hydroxy(phenyl)methylidene]-5,7-dimethyl-2-[3-(4-phenylpiperazin-1-yl)propyl]-2,3-dihydro-4H-pyrido[3,2-e][1,2]thiazin-4-one 1,1-dioxide](/structure/164357-32-8.png)

![4-{2-[4-(2-methylphenyl)piperazin-1-yl]ethyl}benzene-1,2-diol dihydrobromide hydrate](/structure/102366-99-4.png)
4-{2-[4-(2-methylphenyl)piperazin-1-yl]ethyl}benzene-1,2-diol dihydrobromide hydrate

2-(4-Methylpiperazin-1-yl)-1-(2-phenyl-1H-indol-3-yl)ethanone
![2-[4-(pyridin-2-yl)piperazin-1-yl]-1-(3,4,5-trimethoxyphenyl)ethanone dihydrochloride](/structure/16785-32-3.png)
2-[4-(pyridin-2-yl)piperazin-1-yl]-1-(3,4,5-trimethoxyphenyl)ethanone dihydrochloride

![1-{4-[4,4-bis(4-fluorophenyl)butyl]piperazin-1-yl}-3-[(3-methoxyphenyl)sulfanyl]propan-2-ol dihydrochloride](/structure/143759-99-3.png)
![3-[3-methyl-4-(propan-2-yl)piperazin-1-yl]propan-1-ol](/structure/5464-99-3.png)
![1-(2-methoxyphenyl)-N-[4-[4-(4-methylphenyl)piperazin-1-yl]phenyl]meth animine](/structure/78932-99-7.png)
1-(2-methoxyphenyl)-N-[4-[4-(4-methylphenyl)piperazin-1-yl]phenyl]meth animine
![8-[2-(4-benzhydrylpiperazin-1-yl)ethyl]-1-methyl-3-(2-methylpropyl)-7H-purine-2,6-dione](/structure/90749-32-9.png)
8-[2-(4-benzhydrylpiperazin-1-yl)ethyl]-1-methyl-3-(2-methylpropyl)-7H-purine-2,6-dione
![2-methyl-3-{1-[4-(2-methylphenyl)piperazin-1-yl]ethoxy}-5-(propan-2-yl)phenol hydrochloride (1:1)](/structure/103840-32-0.png)
2-methyl-3-{1-[4-(2-methylphenyl)piperazin-1-yl]ethoxy}-5-(propan-2-yl)phenol hydrochloride (1:1)
![N-(4-{[3-(4-benzylpiperazin-1-yl)propyl]sulfanyl}phenyl)acetamide](/structure/115030-32-5.png)
N-(4-{[3-(4-benzylpiperazin-1-yl)propyl]sulfanyl}phenyl)acetamide

3-hydroxy-2-imino-6-(4-methylpiperazin-1-yl)pyrimidin-4-amine dihydroc hloride
![1-(4-fluorophenyl)-4-[4-(4-methoxybenzyl)piperazin-1-yl]butan-1-one hydrochloride (1:1)](/structure/27218-32-2.png)
1-(4-fluorophenyl)-4-[4-(4-methoxybenzyl)piperazin-1-yl]butan-1-one hydrochloride (1:1)
![2-{4-[4,4-bis(4-fluorophenyl)butyl]piperazin-1-yl}-1-[(phenylsulfanyl)methyl]ethyl benzoate](/structure/143760-32-1.png)
2-{4-[4,4-bis(4-fluorophenyl)butyl]piperazin-1-yl}-1-[(phenylsulfanyl)methyl]ethyl benzoate
![6-{4-[4-(4-fluorophenyl)piperazin-1-yl]-1-hydroxybutyl}-3-methyl-1,3-benzoxazol-2(3H)-one](/structure/124673-99-0.png)
6-{4-[4-(4-fluorophenyl)piperazin-1-yl]-1-hydroxybutyl}-3-methyl-1,3-benzoxazol-2(3H)-one
![1-[4-(2,6-dipyrrolidin-1-ylpyrimidin-4-yl)piperazin-1-yl]undec-10-en-1 -one](/structure/159872-32-9.png)
1-[4-(2,6-dipyrrolidin-1-ylpyrimidin-4-yl)piperazin-1-yl]undec-10-en-1 -one
![3-aziridin-1-yl-1-(4-chlorophenyl)-4-[4-(4-chlorophenyl)piperazin-1-yl]-4-oxobutan-1-one](/structure/120978-32-7.png)
3-aziridin-1-yl-1-(4-chlorophenyl)-4-[4-(4-chlorophenyl)piperazin-1-yl]-4-oxobutan-1-one

methyl]diazenyl}-2-(4-phenylpiperazin-1-yl)ethanone](/structure/127718-32-5.png)
![4-(PIPERAZIN-1-YL)PYRIDO[2,3-D]PYRIMIDINE](/structure/853680-99-6.png)
![sodium (6R,7S)-7-{[(3,4-dihydroxyphenyl){[(4-ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino}acetyl]amino}-7-(formylamino)-8-oxo-3-[(1,3,4-thiadiazol-2-ylsulfanyl)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate](/structure/133161-99-6.png)
![(6E)-6-({[4-(2,8-dichloro-10,11-dihydrodibenzo[b,f]thiepin-10-yl)piperazin-1-yl]amino}methylidene)cyclohexa-2,4-dien-1-one](/structure/86758-99-8.png)

![N-[5-(4-ethoxy-3,5-dimethoxyphenyl)-1,3,4-thiadiazol-2-yl]-2-(4-methylpiperazin-1-yl)acetamide trihydrochloride](/structure/154662-99-4.png)
![3-[4-(2-methoxyphenyl)piperazin-1-yl]-1-phenylpropan-1-one hydrochloride (1:1)](/structure/23771-32-6.png)
3-[4-(2-methoxyphenyl)piperazin-1-yl]-1-phenylpropan-1-one hydrochloride (1:1)
![1-[4-(2-methoxyphenyl)piperazin-1-yl]propan-2-amine](/structure/433213-99-1.png)
![2-[2-phenyl-4-(2,4,6-trimethylphenyl)piperazin-1-yl]acetamide dihydrochloride](/structure/121513-32-4.png)
2-[2-phenyl-4-(2,4,6-trimethylphenyl)piperazin-1-yl]acetamide dihydrochloride

2,5-Bis(2-((2-(4-methylpiperazin-1-yl)ethyl)thio)-4-pyrimidinyl)thiophene
![2-{4-[3-(trifluoromethyl)phenyl]piperazin-1-yl}bicyclo[3.3.1]nonan-9-one hydrochloride (1:1)](/structure/16299-99-3.png)
2-{4-[3-(trifluoromethyl)phenyl]piperazin-1-yl}bicyclo[3.3.1]nonan-9-one hydrochloride (1:1)
![(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,12,21,23-tetrahydroxy-27-methoxy-2,4,16,20,22,24,26-heptamethyl-10-[4-(3-methylbut-2-en-1-yl)piperazin-1-yl]-1,6,15-trioxo-1,2-dihydro-6H,13H-2,7-(epoxypentadeca[1,11,13]trienoazeno)[1]benzofuro[4,5-a]phe](/structure/129791-99-7.png)
![4-[3-[4-(2-methoxyphenyl)piperazin-1-yl]propoxy]aniline dihydrochlorid e](/structure/76487-32-6.png)
4-[3-[4-(2-methoxyphenyl)piperazin-1-yl]propoxy]aniline dihydrochlorid e
![2-(4-{3-[(4-methylbenzyl)oxy]phenyl}piperazin-1-yl)acetamide hydrochloride (1:1)](/structure/14628-99-0.png)
2-(4-{3-[(4-methylbenzyl)oxy]phenyl}piperazin-1-yl)acetamide hydrochloride (1:1)
![7-chloro-2-[3-(4-methylpiperazin-1-yl)propyl]-2,4-dihydro-1H-[1,2,4]triazolo[3,4-c][1,4]benzothiazin-1-one](/structure/110216-32-5.png)
![7-chloro-1-[(4-methylpiperazin-1-yl)methyl]-4H-[1,2,4]triazolo[3,4-c][1,4]benzothiazine](/structure/110215-99-1.png)
7-chloro-1-[(4-methylpiperazin-1-yl)methyl]-4H-[1,2,4]triazolo[3,4-c][1,4]benzothiazine
![2,2,2-trichloro-1-[4-(2,2,2-trichloroacetyl)piperazin-1-yl]ethanone](/structure/6302-99-4.png)
2,2,2-trichloro-1-[4-(2,2,2-trichloroacetyl)piperazin-1-yl]ethanone