Piperazine,
![CAS No 96122-26-8 Molecular Structure](http://casnu.com/chemicalstructure/96/96122-26-8.png)
353687
Piperazine, 1-(2-((2-chloro-6,11-dihydrodibenzo(b,e)thiepin-11-yl)oxy)ethyl)-4-methyl-, (Z)-2-butenedioate (1:2)
![CAS No 89663-42-3 Molecular Structure](http://casnu.com/chemicalstructure/89/89663-42-3.png)
355697
Piperazine, 1-(3,4-dichlorophenyl)-4-[2-(4-methyl-5-thiazolyl)ethyl]-
![CAS No 89663-44-5 Molecular Structure](http://casnu.com/chemicalstructure/89/89663-44-5.png)
355698
Piperazine,1-(4-chlorophenyl)-4-[2-[2-(ethylthio)-4-methyl-5-thiazolyl]ethyl]-
![CAS No 89663-45-6 Molecular Structure](http://casnu.com/chemicalstructure/89/89663-45-6.png)
355699
Piperazine, 1-methyl-4-[2-[4-methyl-2-(methylthio)-5-thiazolyl]ethyl]-
![CAS No 540494-46-0 Molecular Structure](http://casnu.com/chemicalstructure/54/540494-46-0.png)
356856
PIPERAZINE,1-(TRIMETHYLSILYL)-
![CAS No 61800-74-6 Molecular Structure](http://casnu.com/chemicalstructure/61/61800-74-6.png)
358603
Piperazine, 2,5-dimethyl-1,4-bis[3-[(methylsulfonyl)oxy]-1-oxopropyl]-
![CAS No 167566-34-9 Molecular Structure](http://casnu.com/chemicalstructure/16/167566-34-9.png)
358721
Piperazine, 1-(phenylmethyl)-3-(trifluoromethyl)-
![CAS No 162854-44-6 Molecular Structure](http://casnu.com/chemicalstructure/16/162854-44-6.png)
358897
Piperazine,1-[2-[bis(4-fluorophenyl)methoxy]ethyl]-2,5-dimethyl-4-(3-phenylpropyl)-,(2E)-2-butenedioate (1:2)
![CAS No 823185-06-4 Molecular Structure](http://casnu.com/chemicalstructure/82/823185-06-4.png)
359190
Piperazine,1-[[1-[[3,5-bis(trifluoromethyl)phenyl]methyl]-5-phenyl-1H-1,2,3-triazol-4-yl]carbonyl]-4-[(4-fluorophenyl)methyl]-
![CAS No 457660-81-0 Molecular Structure](http://casnu.com/chemicalstructure/45/457660-81-0.png)
359282
Piperazine,1-[4-[3-(3,4-dimethoxyphenyl)-5-isoxazolyl]butyl]-4-(2-methoxyphenyl)-
![CAS No 90236-66-1 Molecular Structure](http://casnu.com/chemicalstructure/90/90236-66-1.png)
359812
Piperazine, 1-[2-(4-fluorophenoxy)ethyl]-4-methyl-, dihydrochloride
![CAS No 90236-67-2 Molecular Structure](http://casnu.com/chemicalstructure/90/90236-67-2.png)
359813
Piperazine, 1-[2-(4-chlorophenoxy)ethyl]-4-methyl-, dihydrochloride
![CAS No 90236-69-4 Molecular Structure](http://casnu.com/chemicalstructure/90/90236-69-4.png)
359814
Piperazine, 1-[2-(2,4-dichlorophenoxy)ethyl]-4-methyl-, dihydrochloride
![CAS No 648450-52-6 Molecular Structure](http://casnu.com/chemicalstructure/64/648450-52-6.png)
360785
Piperazine,1-[3-[5-[(2,4-dioxo-5-thiazolidinylidene)methyl]-3-benzofuranyl]-1-oxo-2-propenyl]-4-methyl-
![CAS No 73992-97-9 Molecular Structure](http://casnu.com/chemicalstructure/73/73992-97-9.png)
361190
Piperazine,1-methyl-4-[2-(trimethylsilyl)ethyl]-
![CAS No 74010-96-1 Molecular Structure](http://casnu.com/chemicalstructure/74/74010-96-1.png)
361222
Piperazine,1,4-dihydroxy-2,2,3,3-tetramethyl-
![CAS No 802254-39-3 Molecular Structure](http://casnu.com/chemicalstructure/80/802254-39-3.png)
361817
Piperazine,1-ethyl-2,2-dimethyl-3-phenyl-
![CAS No 61311-18-0 Molecular Structure](http://casnu.com/chemicalstructure/61/61311-18-0.png)
362078
Piperazine, 1-cyclohexyl-4-[2-(3-methylphenyl)-1-phenylethyl]-,dihydrochloride
![CAS No 618104-69-1 Molecular Structure](http://casnu.com/chemicalstructure/61/618104-69-1.png)
362248
PIPERAZINE, 2,5-DIMETHYL-1-(PHENYLMETHYL)-, (2R,5S)-
![CAS No 823197-02-0 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-02-0.png)
362846
Piperazine,1-[[4-(5-fluoro-2-pyrimidinyl)-2-(formylhydroxyamino)butyl]sulfonyl]-4-[5-(2,2,2-trifluoroethoxy)-2-pyridinyl]-
![CAS No 823197-05-3 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-05-3.png)
362847
Piperazine,1-[[4-(5-fluoro-2-pyrimidinyl)-2-(formylhydroxyamino)butyl]sulfonyl]-4-[5-(2,2,2-trifluoroethoxy)-2-pyrimidinyl]-
![CAS No 823197-09-7 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-09-7.png)
362848
Piperazine,1-[[(2S)-2-(formylhydroxyamino)-2-(tetrahydro-2H-pyran-4-yl)ethyl]sulfonyl]-4-[4-(1,1,2,2-tetrafluoroethoxy)phenyl]-
![CAS No 823197-13-3 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-13-3.png)
362849
Piperazine,1-[[4-(5-fluoro-2-pyrimidinyl)-2-(formylhydroxyamino)butyl]sulfonyl]-4-[4-(1,1,2,2-tetrafluoroethoxy)phenyl]-
![CAS No 823197-36-0 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-36-0.png)
362850
Piperazine, 1-(methylsulfonyl)-4-[5-(phenylmethoxy)-2-pyridinyl]-
![CAS No 823197-37-1 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-37-1.png)
362851
Piperazine, 1-(5-hydroxy-2-pyridinyl)-4-(methylsulfonyl)-
![CAS No 823197-41-7 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-41-7.png)
362852
Piperazine,1-[[(1E)-4-(2-pyrimidinyl)-1-butenyl]sulfonyl]-4-[5-(2,2,2-trifluoroethoxy)-2-pyrimidinyl]-
![CAS No 823197-45-1 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-45-1.png)
362853
Piperazine, 1-(methylsulfonyl)-4-[4-(1,1,2,2-tetrafluoroethoxy)phenyl]-
![CAS No 96221-71-5 Molecular Structure](http://casnu.com/chemicalstructure/96/96221-71-5.png)
363001
Piperazine, 1-(3-cyclohexyl-1-oxopropyl)-4-[2-(methylamino)phenyl]-
![CAS No 111945-12-1 Molecular Structure](http://casnu.com/chemicalstructure/11/111945-12-1.png)
363895
Piperazine, 1,4-bis(3-piperidinylcarbonyl)-
![CAS No 823197-00-8 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-00-8.png)
364342
Piperazine,1-[[(2S)-2-(formylhydroxyamino)-5-(2-pyrimidinyl)pentyl]sulfonyl]-4-[5-(2,2,2-trifluoroethoxy)-2-pyrimidinyl]-
![CAS No 823197-12-2 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-12-2.png)
364343
Piperazine,1-[[(2S)-2-(formylhydroxyamino)-5-(2-pyrimidinyl)pentyl]sulfonyl]-4-[4-(1,1,2,2-tetrafluoroethoxy)phenyl]-
![CAS No 823197-25-7 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-25-7.png)
364344
Piperazine,1-[[(2S)-2-(formylhydroxyamino)-2-(tetrahydro-2H-pyran-4-yl)ethyl]sulfonyl]-4-[4-(2,2,2-trifluoroethoxy)phenyl]-
![CAS No 823197-33-7 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-33-7.png)
364345
Piperazine,1-[[(1E)-5-(2-pyrimidinyl)-1-pentenyl]sulfonyl]-4-[5-(2,2,2-trifluoroethoxy)-2-pyrimidinyl]-
![CAS No 823197-34-8 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-34-8.png)
364346
Piperazine,1-[[2-(hydroxyamino)-5-(2-pyrimidinyl)pentyl]sulfonyl]-4-[5-(2,2,2-trifluoroethoxy)-2-pyrimidinyl]-
![CAS No 823197-38-2 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-38-2.png)
364347
Piperazine, 1-(methylsulfonyl)-4-[5-(2,2,2-trifluoroethoxy)-2-pyridinyl]-
![CAS No 823197-40-6 Molecular Structure](http://casnu.com/chemicalstructure/82/823197-40-6.png)
364348
Piperazine,1-[[2-hydroxy-4-(2-pyrimidinyl)butyl]sulfonyl]-4-[5-(2,2,2-trifluoroethoxy)-2-pyrimidinyl]-