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Products |
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Lisinopril |
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Benazepril Hydrochloride |
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Quinapril hydrochloride |
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Perindopril |
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Amfebutamone Hydrochloride |
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Fosinopril sodium |
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Carvedilol |
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Duloxetine |
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Pantoprazole sodium monohydrate |
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Clopidogrel hydrogen sulfate |
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Tegaserod Maleate |
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Rivastigmine tartrate |
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Venlafaxine Hydrochloride |
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Zaleplon |
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Risperidone |
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N-6-Trifluoro acetyl-L-Lysine (Lisinopril intermediate) |
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N2-(s)-ethoxycarbonyl-3-phenylpropy-N8-trifluoroacetyl-L-lysine(Lisinopril intermediate ) |
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N2-(1-(S)-ethoxycarbonyl-3-phenylpropyl)-N6-trifluoroacetyl-L-lysine-L-proline( Lisinopril intermediate) |
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3-(S)-amino-1-tertbutyloxycarbonylmethyl-2,3,4,5-tetrahydro-1H-1-benzazepin-2-one(Benazepril intermediate) |
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Trans-4-cyclohexyl-L-proline monohydro-chloride(Fosinopril intermediate) |
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2-(benzyloxy)-2-oxoethyl(4-phenylbutyl)phosphinic acid (Fosinopril intermediate) |
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6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole hydrochloride (Risperidone intermediate) |
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4-(2,4-Difluorobenzoyl)piperidine hydrochloride(Risperidone intermediate) |
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3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido1, 2-a-pyrimidin-4-one(Risperidone intermediate) |
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4-hydroxycarbazole(Carvedilol intermediate) |
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1,2,3,9-Tetrahydro-4H-carbazole-4-one(Carvedilol,Ondansetron intermediate) |
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N-(S)-1-Carbethoxy-1-butyl-(S)-alanine(Perindopril intermediate) |
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(2s,3as,7as)-octahydro-1h-indole-2-carboxylic acid(Perindopril intermediate) |
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(S)-(-)-Indoline-2-carboxylic acid(Perindopril intermediate) |
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N-Methyl-1,2-benzenediamine dihydrochloride |
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4-acetoxyazetidin-2-one 4-AA(AOSA)(penem intermediate) |
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3-(2-Chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone Intermediates) |
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Products |
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| 4-acetoxyazetidin-2-one 4-AA(AOSA)(penem intermediate) |
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CAS:[76855-69-1]
4-acetoxyazetidin-2-one ( penem intermediate )
(3R,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]-2-azetidinone
Appearance: white or off-white crystal
Optical Purity : 99%(ee)
Assay : ¡Ý98.5%( external standard method )
Specific optical rotation : [a] 25 D : +46 ~ +49¡æ ( c=0.56 CHCl3 )
Melting point: 104 ~ 108¡æ |
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