Structure |
Chemical Name |
CAS |
MF |
![Entecavir hydrate](/) |
Entecavir hydrate |
|
|
![2-(2-HYDROXYPHENYL)-4H-1,3-BENZOXAZIN-4-ONE](/CAS/GIF/1218-69-5.gif) |
2-(2-HYDROXYPHENYL)-4H-1,3-BENZOXAZIN-4-ONE |
1218-69-5 |
C14H9NO3 |
![Olmesartan intermediate](/) |
Olmesartan intermediate |
|
|
![(1s-trans)-2-[(phenylmethoxy)methyl]-3-cyclopenten-1-ol](/CAS/GIF/188399-48-6.gif) |
(1s-trans)-2-[(phenylmethoxy)methyl]-3-cyclopenten-1-ol |
188399-48-6 |
C13H16O2 |
![(S)-2-(((3R,4R)-4-(3-Hydroxyphenyl)-3,4-dimethylpiperidin-1-yl)methyl)-3-phenylpropanoic acid methyl ester hydrochloride](/CAS/GIF/170098-28-9.gif) |
(S)-2-(((3R,4R)-4-(3-Hydroxyphenyl)-3,4-dimethylpiperidin-1-yl)methyl)-3-phenylpropanoic acid methyl ester hydrochloride |
170098-28-9 |
C24H31NO3.HCl |
![tert-butyl [(2R,3S)-2-(2,5-difluorophenyl)-5-hydroxytetrahydro-2H-pyran-3-yl]carbaMate](/CAS/20150408/GIF/1172623-99-2.gif) |
tert-butyl [(2R,3S)-2-(2,5-difluorophenyl)-5-hydroxytetrahydro-2H-pyran-3-yl]carbaMate |
1172623-99-2 |
C16H21F2NO4 |
![,100kg](/CAS/20180808/GIF/180048-73-1.gif) |
,100kg |
180048-73-1 |
C11H14O4S |
![4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-3-yl]-2-methylbenzoic acid](/CAS/20180529/GIF/864725-62-2.gif) |
4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-3-yl]-2-methylbenzoic acid |
864725-62-2 |
C18H12Cl2F3NO3 |
![Ozagrel sodium](/CAS/GIF/130952-46-4.gif) |
Ozagrel sodium |
130952-46-4 |
C13H13N2NaO2 |
![(2S,5R)-6-(tert-butyldimethylsilyloxy)-3-methyl-7-oxo-1,6-diazabicyclo[3.2.1]oct-3-ene-2-carboxamide](/CAS/20210305/GIF/2209874-02-0.gif) |
(2S,5R)-6-(tert-butyldimethylsilyloxy)-3-methyl-7-oxo-1,6-diazabicyclo[3.2.1]oct-3-ene-2-carboxamide |
2209874-02-0 |
C14H25N3O3Si |
![1,6-Diazabicyclo[3.2.1]oct-3-ene-2-carboxamide, 6-hydroxy-3-methyl-7-oxo-, (1R,2S,5R)-](/CAS/20210305/GIF/2209874-17-7.gif) |
1,6-Diazabicyclo[3.2.1]oct-3-ene-2-carboxamide, 6-hydroxy-3-methyl-7-oxo-, (1R,2S,5R)- |
2209874-17-7 |
C8H11N3O3 |
![2-(1-(ethylsulfonyl)-3-(4-(7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)azetidin-3-yl)acetonitrile](/CAS/20180531/GIF/1187594-13-3.gif) |
2-(1-(ethylsulfonyl)-3-(4-(7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)azetidin-3-yl)acetonitrile |
1187594-13-3 |
C22H31N7O3SSi |
![Derivatives intermediate 3](/CAS/20210305/GIF/1213710-50-9.gif) |
Derivatives intermediate 3 |
1213710-50-9 |
C21H30N2O |
![(2S,3R)-2-amino-3-methylpent-4-enamide](/CAS/20210305/GIF/2209873-96-9.gif) |
(2S,3R)-2-amino-3-methylpent-4-enamide |
2209873-96-9 |
C6H12N2O |
![(1S,2R,3S,5R)-2-(Benzyloxymethyl)-6-oxabicyclo[3.1.0]hexan-3-ol](/CAS/GIF/117641-39-1.gif) |
(1S,2R,3S,5R)-2-(Benzyloxymethyl)-6-oxabicyclo[3.1.0]hexan-3-ol |
117641-39-1 |
C13H16O3 |
![(S)-1-(2-(1-aMino-2-Methylpropan-2-ylaMino)acetyl)pyrrolidine-2-carbonitrile dihydrochloride (AMino pyrrolidine)](/CAS/20150408/GIF/739364-93-3.gif) |
(S)-1-(2-(1-aMino-2-Methylpropan-2-ylaMino)acetyl)pyrrolidine-2-carbonitrile dihydrochloride (AMino pyrrolidine) |
739364-93-3 |
C11H22Cl2N4O |
![(4-(1-(3-(cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate](/CAS/20200331/GIF/1187595-90-9.gif) |
(4-(1-(3-(cyanomethyl)-1-(ethylsulfonyl)azetidin-3-yl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate |
1187595-90-9 |
C22H27N7O4S |
![Danshen injection intermediate](/) |
Danshen injection intermediate |
|
|
![1,4-Bis(benzhydryl)piperazine Dihydrochloride](/CAS/GIF/56265-29-3.gif) |
1,4-Bis(benzhydryl)piperazine Dihydrochloride |
56265-29-3 |
C30H32Cl2N2 |
![K-11777](/CAS/20200611/GIF/233277-99-1.gif) |
K-11777 |
233277-99-1 |
C32H38N4O4S |
![(R)-2-((trifluoromethoxy)methyl)piperazine dihydrochloride](/) |
(R)-2-((trifluoromethoxy)methyl)piperazine dihydrochloride |
|
|
![(R)-2-(2,2-difluoroethyl)piperazine](/) |
(R)-2-(2,2-difluoroethyl)piperazine |
|
|
![(R)-2-(2,2-difluoroethyl)piperazine dihydrochloride](/) |
(R)-2-(2,2-difluoroethyl)piperazine dihydrochloride |
|
|
![Piperazine, 1,2,2-trimethyl- (9CI)](/CAS/GIF/396133-32-7.gif) |
Piperazine, 1,2,2-trimethyl- (9CI) |
396133-32-7 |
C7H16N2 |
![O-Aminocyclo(Ser-O-amino-Ser-)](/CAS/GIF/17868-49-4.gif) |
O-Aminocyclo(Ser-O-amino-Ser-) |
17868-49-4 |
C6H12N4O4 |
![N,N'-bis(2,6-DiMethylphenyl)-1,4-piperazinediacetaMide](/CAS/GIF/380204-72-8.gif) |
N,N'-bis(2,6-DiMethylphenyl)-1,4-piperazinediacetaMide |
380204-72-8 |
C24H32N4O2 |
![(S)-2-((trifluoromethoxy)methyl)piperazine](/) |
(S)-2-((trifluoromethoxy)methyl)piperazine |
|
|
![(S)-2-(2-fluoroethyl)piperazine dihydrochloride](/) |
(S)-2-(2-fluoroethyl)piperazine dihydrochloride |
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|
![4-Butyl-1,2-diphenylpyrazolidin-3,5-dion, Verbindung mit Piperazin (1:1)](/CAS/20180808/GIF/4985-25-5.gif) |
4-Butyl-1,2-diphenylpyrazolidin-3,5-dion, Verbindung mit Piperazin (1:1) |
4985-25-5 |
C23H30N4O2 |
![1-but-3-enyl-4-(2,3-chloro-phenyl)-piperazine](/) |
1-but-3-enyl-4-(2,3-chloro-phenyl)-piperazine |
|
|
![(R)-2-(2-fluoroethyl)piperazine](/) |
(R)-2-(2-fluoroethyl)piperazine |
|
|
![Acefylline Piperazine](/CAS/20180808/GIF/18428-63-2.gif) |
Acefylline Piperazine |
18428-63-2 |
C100H150N46O32 |
![tert-butyl 4-[2-(2,6-dioxopiperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-5-yl]piperazine-1-c arboxylate](/) |
tert-butyl 4-[2-(2,6-dioxopiperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-5-yl]piperazine-1-c arboxylate |
|
|
![(S)-2-(2,2,2-TRIFLUORO-ETHYL)-PIPERAZINE](/StructureFile/ChemBookStructure8/GIF/CB3355321.gif) |
(S)-2-(2,2,2-TRIFLUORO-ETHYL)-PIPERAZINE |
1240584-16-0 |
C6H11F3N2 |
![(S)-2-(2,2-difluoroethyl)piperazine](/) |
(S)-2-(2,2-difluoroethyl)piperazine |
|
|
![(S)-2-(2,2-difluoroethyl)piperazine dihydrochloride](/) |
(S)-2-(2,2-difluoroethyl)piperazine dihydrochloride |
|
|
![(R)-2-(2,2,2-trifluoroethyl)piperazine dihydrochloride](/) |
(R)-2-(2,2,2-trifluoroethyl)piperazine dihydrochloride |
|
|
![5-Oxoprolin, Verbindung mit Piperazin (1:1)](/CAS/20180808/GIF/4889-40-1.gif) |
5-Oxoprolin, Verbindung mit Piperazin (1:1) |
4889-40-1 |
C5H7NO3.C4H10N2 |
![Flomoxef Intermediate FXMT](/) |
Flomoxef Intermediate FXMT |
|
|
![Platinum, dichloro(1,2-cyclohexanediamine-N,N')-, [sp-4-2-(1R-trans)]-](/CAS/20180713/GIF/61848-66-6.gif) |
Platinum, dichloro(1,2-cyclohexanediamine-N,N')-, [sp-4-2-(1R-trans)]- |
61848-66-6 |
C6H12Cl2N2Pt |
![(3R,3αS,6αR)-Hydroxyhexa-hydrofuro[2,3-β]furan-3-yl acetate](/CAS/20180808/GIF/186488-43-7.gif) |
(3R,3αS,6αR)-Hydroxyhexa-hydrofuro[2,3-β]furan-3-yl acetate |
186488-43-7 |
C8H12O4 |
![Cabazitaxel N-3](/CAS/20211123/GIF/859498-31-0.gif) |
Cabazitaxel N-3 |
859498-31-0 |
C57H61Cl6NO19 |
![Material intermediate](/CAS/20211123/GIF/75286-83-8.gif) |
Material intermediate |
75286-83-8 |
C52H38N4O8 |
![Dabigatran intermediate](/) |
Dabigatran intermediate |
|
|
![(7alpha,17beta)-17-(Acetyloxy)-7-[9-[(4,4,5,5,5-pentafluoropentyl)thio]nonyl]estr-4-en-3-one](/CAS/20150408/GIF/415927-29-6.gif) |
(7alpha,17beta)-17-(Acetyloxy)-7-[9-[(4,4,5,5,5-pentafluoropentyl)thio]nonyl]estr-4-en-3-one |
415927-29-6 |
C34H51F5O3S |
![Engelide intermediate](/) |
Engelide intermediate |
|
|
![Material intermediate](/CAS/20210111/GIF/162039-67-0.gif) |
Material intermediate |
162039-67-0 |
C18H14N4 |
![FLUTICASONE PROPIONATE INTERMEDIATE](/CAS/GIF/80474-45-9.gif) |
FLUTICASONE PROPIONATE INTERMEDIATE |
80474-45-9 |
C24H30F2O5S |
![Dolutegravir intermediate](/) |
Dolutegravir intermediate |
|
|
![4-[3-(Trifluoromethyl)phenyl]-1-piperazineethanol](/CAS/GIF/40004-29-3.gif) |
4-[3-(Trifluoromethyl)phenyl]-1-piperazineethanol |
40004-29-3 |
C13H17F3N2O |
![(4aS,7aS)-octahydropyrrolo[3,4-b][1,4]oxazine](/CAS/20150408/GIF/209401-69-4.gif) |
(4aS,7aS)-octahydropyrrolo[3,4-b][1,4]oxazine |
209401-69-4 |
C6H12N2O |
![Eribulin intermediate](/CAS/20211123/GIF/157322-47-9.gif) |
Eribulin intermediate |
157322-47-9 |
C21H35IO4 |
![Flomoxef Intermediate F3-01](/) |
Flomoxef Intermediate F3-01 |
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|
![5-Pyrimidineacetamide, 2-butyl-1-[(2'-cyano[1,1'-biphenyl]-4-yl)methyl]-1,6-dihydro-N,N,4-trimethyl-6-oxo-](/CAS/20210111/GIF/1985668-78-7.gif) |
5-Pyrimidineacetamide, 2-butyl-1-[(2'-cyano[1,1'-biphenyl]-4-yl)methyl]-1,6-dihydro-N,N,4-trimethyl-6-oxo- |
1985668-78-7 |
C27H30N4O2 |
![Triazinate](/CAS/GIF/41191-04-2.gif) |
Triazinate |
41191-04-2 |
C23H31ClN6O5S |
![Side chain of Cefotetan](/CAS/20210111/GIF/955010-42-1.gif) |
Side chain of Cefotetan |
955010-42-1 |
C10H13NO5S2 |
![Cefaloram](/CAS/GIF/859-07-4.gif) |
Cefaloram |
859-07-4 |
C18H18N2O6S |
![Cefetrizole](/CAS/GIF/65307-12-2.gif) |
Cefetrizole |
65307-12-2 |
C16H15N5O4S3 |
![1-[((7R)-7-AMINO-4-CARBOXY-3,4-DIDEHYDROCEPHAM-3-YL)METHYL]-1H-IMIDAZO[1,2-B]PYRIDAZIN-4-IUM IODIDE](/CAS/GIF/197897-11-3.gif) |
1-[((7R)-7-AMINO-4-CARBOXY-3,4-DIDEHYDROCEPHAM-3-YL)METHYL]-1H-IMIDAZO[1,2-B]PYRIDAZIN-4-IUM IODIDE |
197897-11-3 |
C14H14IN5O3S |
![(1α,2β,5α)-2,6,6-Trimethylbicyclo[3.1.1]heptan](/CAS/GIF/6876-13-7.gif) |
(1α,2β,5α)-2,6,6-Trimethylbicyclo[3.1.1]heptan |
6876-13-7 |
C10H18 |
![D-α-(4-ethyl-2,3-dioxo-1-piperazinecarboxamido)-β-(S)-tert-butoxybutyric acid](/CAS/20150408/GIF/79276-23-6.gif) |
D-α-(4-ethyl-2,3-dioxo-1-piperazinecarboxamido)-β-(S)-tert-butoxybutyric acid |
79276-23-6 |
C15H25N3O6 |
![Pinanylhydroperoxid](/CAS/GIF/28324-52-9.gif) |
Pinanylhydroperoxid |
28324-52-9 |
C10H18O2 |
![tert-butyl 4-[2-(2,6-dioxo-3-piperidyl)-6-fluoro-1,3-dioxo-isoindolin-5-yl]piperazine-1-carboxyl ate](/) |
tert-butyl 4-[2-(2,6-dioxo-3-piperidyl)-6-fluoro-1,3-dioxo-isoindolin-5-yl]piperazine-1-carboxyl ate |
|
|
![1-(4-(3-Methoxy-4-nitrophenyl)piperazin-1-yl)ethanone](/CAS/20150408/GIF/1116229-11-8.gif) |
1-(4-(3-Methoxy-4-nitrophenyl)piperazin-1-yl)ethanone |
1116229-11-8 |
C13H17N3O4 |
![2,5-Piperazinedione, 1-acetyl-3-(phenylmethylene)-, (3Z)-](/CAS/20180703/GIF/30166-30-4.gif) |
2,5-Piperazinedione, 1-acetyl-3-(phenylmethylene)-, (3Z)- |
30166-30-4 |
C13H12N2O3 |
![(R)-2-((trifluoromethoxy)methyl)piperazine](/) |
(R)-2-((trifluoromethoxy)methyl)piperazine |
|
|
![2,10-Epoxypinan](/CAS/GIF/6931-54-0.gif) |
2,10-Epoxypinan |
6931-54-0 |
C10H16O |
![(S)-2-(2-fluoroethyl)piperazine](/) |
(S)-2-(2-fluoroethyl)piperazine |
|
|
![1-ACETYL-3-BENZYLIDENE-PIPERAZINE-2,5-DIONE](/StructureFile/ChemBookStructure4/GIF/CB5696402.gif) |
1-ACETYL-3-BENZYLIDENE-PIPERAZINE-2,5-DIONE |
30166-29-1 |
C13H12N2O3 |
![(R)-2-(2,2,2-TRIFLUORO-ETHYL)-PIPERAZINE](/StructureFile/ChemBookStructure8/GIF/CB5778601.gif) |
(R)-2-(2,2,2-TRIFLUORO-ETHYL)-PIPERAZINE |
1240584-52-4 |
C6H11F3N2 |
![1-[(4-FLUOROPHENYL)SULFONYL]PIPERAZINE](/CAS/GIF/27106-49-6.gif) |
1-[(4-FLUOROPHENYL)SULFONYL]PIPERAZINE |
27106-49-6 |
C10H13FN2O2S |
![(6β)-3-(1-Methyl-1H-tetrazole-5-ylthiomethyl)-7α-amino-7-methoxy-8-oxo-5-oxa-1-azabicyclo[4.2.0]octa-2-ene-2-carboxylic acid benzhydryl ester](/CAS/GIF/66510-99-4.gif) |
(6β)-3-(1-Methyl-1H-tetrazole-5-ylthiomethyl)-7α-amino-7-methoxy-8-oxo-5-oxa-1-azabicyclo[4.2.0]octa-2-ene-2-carboxylic acid benzhydryl ester |
66510-99-4 |
C24H24N6O5S |
![(6R,7S)-Cefuroxime](/CAS/20180703/GIF/CB63369999.gif) |
(6R,7S)-Cefuroxime |
|
C16H16N4O8S |
![Cefazolin Related Compound D](/) |
Cefazolin Related Compound D |
|
|
![(S)-2-(2,2,2-trifluoroethyl)piperazine dihydrochloride](/) |
(S)-2-(2,2,2-trifluoroethyl)piperazine dihydrochloride |
|
|
![Ceftazidime Mother Nucleus Double-Bond Shift](/) |
Ceftazidime Mother Nucleus Double-Bond Shift |
|
|
![Piperazine, 1-(cyclobutylmethyl)- (9CI)](/CAS/GIF/82534-54-1.gif) |
Piperazine, 1-(cyclobutylmethyl)- (9CI) |
82534-54-1 |
C9H18N2 |
![L-Cephalexin](/CAS/GIF/34632-04-7.gif) |
L-Cephalexin |
34632-04-7 |
C16H17N3O4S |
![7-AMINO-3-(2-FUROYLTHIOMETHYL)-3-CEPHEM-4-CARBOXYLIC ACID](/CAS/GIF/80370-59-8.gif) |
7-AMINO-3-(2-FUROYLTHIOMETHYL)-3-CEPHEM-4-CARBOXYLIC ACID |
80370-59-8 |
C13H12N2O5S2 |
![1-(5-Bromo-3-pyridyl)piperazine](/CAS/GIF/412347-30-9.gif) |
1-(5-Bromo-3-pyridyl)piperazine |
412347-30-9 |
C9H12BrN3 |
![Cefradine double nucleus](/) |
Cefradine double nucleus |
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|
![1,4-PIPERAZINEDICARBONYL CHLORIDE](/CAS/20180808/GIF/4858-84-8.gif) |
1,4-PIPERAZINEDICARBONYL CHLORIDE |
4858-84-8 |
C6H8Cl2N2O2 |
![CEFMETAZOLE MMT ISOMER](/) |
CEFMETAZOLE MMT ISOMER |
|
|
![1,4-Piperazinedicarboxylic acid, 2-(hydroxymethyl)-, 1-(1,1-dimethylethyl) 4-(phenylmethyl) ester, (2S)-](/CAS/20200401/GIF/385802-84-6.gif) |
1,4-Piperazinedicarboxylic acid, 2-(hydroxymethyl)-, 1-(1,1-dimethylethyl) 4-(phenylmethyl) ester, (2S)- |
385802-84-6 |
C18H26N2O5 |
![Cefminox for system suitability](/) |
Cefminox for system suitability |
|
|
![(S)-2-((trifluoromethoxy)methyl)piperazine dihydrochloride](/) |
(S)-2-((trifluoromethoxy)methyl)piperazine dihydrochloride |
|
|
![1-Methyl-4-[[4-nitro-2-(trifluoromethyl)phenyl]methyl]-piperazine](/CAS2/GIF/694499-24-6.gif) |
1-Methyl-4-[[4-nitro-2-(trifluoromethyl)phenyl]methyl]-piperazine |
694499-24-6 |
C13H16F3N3O2 |
![tert-butyl 4-(2,2,2-trifluoroethyl)piperazine-1-carboxylate](/CAS/20150408/GIF/692058-21-2.gif) |
tert-butyl 4-(2,2,2-trifluoroethyl)piperazine-1-carboxylate |
692058-21-2 |
C11H19F3N2O2 |
![Cefiderocol](/CAS/20180808/GIF/1225208-94-5.gif) |
Cefiderocol |
1225208-94-5 |
C30H34ClN7O10S2 |
![[1R-(1α,2α,5α)]-2,6,6-Trimethylbicyclo[3.1.1]heptan](/CAS/GIF/4863-59-6.gif) |
[1R-(1α,2α,5α)]-2,6,6-Trimethylbicyclo[3.1.1]heptan |
4863-59-6 |
C10H18 |
![(R)-3-Isopropyl-2,5-piperazinedione](/CAS/GIF/143673-66-9.gif) |
(R)-3-Isopropyl-2,5-piperazinedione |
143673-66-9 |
C7H12N2O2 |
![(2R,5R)-1,2,5-trimethylpiperazine](/CAS/20200401/GIF/1152368-00-7.gif) |
(2R,5R)-1,2,5-trimethylpiperazine |
1152368-00-7 |
C7H16N2 |
![Cefotiam (6R,7S) isomer reference](/) |
Cefotiam (6R,7S) isomer reference |
|
|
![1222102-49-9](/CAS/20200611/GIF/1222102-49-9.gif) |
1222102-49-9 |
1222102-49-9 |
C9H18N2O2 |
![(R)-2-(2-fluoroethyl)piperazine dihydrochloride](/) |
(R)-2-(2-fluoroethyl)piperazine dihydrochloride |
|
|
![Ceftiofur Double Mother Nucleus](/) |
Ceftiofur Double Mother Nucleus |
|
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![7S-Cephalexin](/) |
7S-Cephalexin |
|
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![(S)-N-1-Boc-N-4-Cbz-2-piperazine carboxylic acid](/CAS/GIF/138775-03-8.gif) |
(S)-N-1-Boc-N-4-Cbz-2-piperazine carboxylic acid |
138775-03-8 |
C18H24N2O6 |
![(S)-1-N-BOC-2-METHYL PIPERAZINE-HCl](/CAS/20180713/GIF/960283-58-3.gif) |
(S)-1-N-BOC-2-METHYL PIPERAZINE-HCl |
960283-58-3 |
C10H21ClN2O2 |
![4-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-N-(4-methoxypyridin-2-yl)piperazine-1-carbothioamide trifluoroacetate](/CAS/20210111/GIF/1542213-67-1.gif) |
4-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-N-(4-methoxypyridin-2-yl)piperazine-1-carbothioamide trifluoroacetate |
1542213-67-1 |
C19H18ClF6N5O3S |