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Tofacitinib impurity 14/5,6-Dihydro Tofacitinib/3-((3R,4R)-3-((6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidin-4-yl)(methyl)amino)-4-methylpiperidin-1-yl)-3-oxopropanenitrile 1640972-35-5 马上询价
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Tofacitinib impurity 16/2-cyano-N-methyl-N-((3R,4R)-4-methyl-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-3-yl)acetamide 1092578-43-2 马上询价
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Tofacitinib impurity 17/Tofacitinib N-Oxide/N-((3R,4R)-1-(2-cyanoacetyl)-4-methylpiperidin-3-yl)-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine oxide 2028267-73-2 马上询价
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Tofacitinib impurity 18/3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanamide 1675248-19-7 马上询价
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Tofacitinib impurity 21/4'-chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine 134965-85-8 马上询价
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Tofacitinib impurity 22/methyl3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin -4-yl)amino)piperidin-1-yl)-3-oxopropanoate 1616761-01-3 马上询价
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Tofacitinib impurity 23/ethyl 3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d] pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanoate 1675248-18-6 马上询价
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Paclitaxel impurity 1/7-epi-10-Deacetyl-Baccatin III/Docetaxel 7-Epi-DAB-Impurity/(2aR,4R,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(Acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,6,9,11-tetrahydroxy-4a,8,13,13-tetramethyl-7,11-methano-5 71629-92-0 马上询价
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Paclitaxel impurity 2/7-epi-Baccatin III/[(1S,2S,3R,4S,7R,9R,10S,12R,15S)-4,12-diacetyloxy-1,9,15-trihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate 31077-81-3 马上询价
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Paclitaxel impurity 3/19-Hydroxy-10-deacetylbaccatin III/(2aR,4S,4aR,6R,9S,11S,12S,12aR,12bS)-12b-(Acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-4,6,9,11-tetrahydroxy-4a-(hydroxymethyl)-8,13,13-trimethyl-7,11-methano-5H-cyclodeca 154083-99-5 马上询价
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Paclitaxel impurity 4/13-epi-10-Deacetyl Baccatin III/ (2aR,4S,4aS,6R,9R,11S,12S,12aR,12bS)-12b-acetoxy-4,6,9,11-tetrahydroxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl ben 172018-16-5 马上询价
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Paclitaxel impurity 5/10-Deacetyl-14-Hydroxy-Baccatin III/[(1R,2S,3R,4S,7R,9S,10S,12R,15R,16S)-4-acetyloxy-1,9,12,15,16-pentahydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate 145533-34-2 马上询价
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Paclitaxel impurity 7/(2R,3S)-N-Benzoyl-3-phenyl Isoserine Methyl Ester 32981-85-4 马上询价
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Paclitaxel impurity 8/Paclitaxel EP Impurity A/Iso Cephalomannine/2-Debenzoyl-2-tigloylpaclitaxel/(αR,βS)-β-(Benzoylamino)-α-hydroxybenzenepropanoic Acid (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-Bis(acetyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydr 173101-54-7 马上询价
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Paclitaxel impurity 9/Paclitaxel EP Impurity C/N-Debenzoyl-N-hexanoylpaclitaxel/(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12-(benzoyloxy)-9-(((2R,3S)-3-hexanamido-2-hydroxy-3-phenylpropanoyl)oxy)-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-3,4,4a,5,6,9,10,11,1 153415-45-3 马上询价
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Paclitaxel impurity 10/Paclitaxel EP Impurity D/7-epi-Cephalomannine/(2aR,4R,4aS,6R,9S,11S,12S,12aR,12bS)-12-(benzoyloxy)-4,11-dihydroxy-9-(((2R,3S)-2-hydroxy-3-((E)-2-methylbut-2-enamido)-3-phenylpropanoyl)oxy)-4a,8,13,13-tetramethyl-5-oxo-3,4,4a,5,6,9,1 150547-36-7 马上询价
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