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Dexamethasone impurity 8/Dexamethasone Acetate EP Impurity F/2-((4aS,4bS,5aS,6aS,7R,8R,9aS,9bS)-7-hydroxy-4a,6a,8-trimethyl-2-oxo-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)-2-oxoethyl acetate 2884-51-7 马上询价
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Dexamethasone impurity 9/Dexamethasone Acetate EP Impurity I/Dexamethasone 11,21-diacetate/9-fluoro-17-hydroxy-16α-methyl-3,20-dioxopregna- 1,4-diene-11β,21-diyl diacetate 3949-26-6 马上询价
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Dexamethasone impurity 11/Dexamethasone Sodium Phosphate EP Impurity B/Betamethasone 21-Phosphate Disodium Salt 151-73-5 马上询价
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Dexamethasone impurity 12/Dexamethasone Sodium Phosphate EP Impurity H/9-fluoro-11B,17-dihydroxy-16a-methyl-3,20-dioxopregn-4-en-21-yl dihydrogen phosphate 162968-22-1 马上询价
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Levofloxacin impurity 1/Levofloxacin Diamine/(S)-10-((2-aminoethyl)amino)-9-fluoro-3-methyl-7-oxo-2,3- dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid 1797510-34-9 马上询价
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Levofloxacin impurity 3/N,N’-Desethylene Levofloxacin Hydrochloride/(S)-9-fluoro-3-methyl-10-((2-(methylamino)ethyl)amino)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride 1346603-62-0 马上询价
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Levofloxacin impurity 4/Levofloxacin EP Impurity G/N,N'-Desethylene Levofloxacin 151250-76-9 马上询价
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Levofloxacin impurity 7/Levofloxacin N-oxide/Levofloxacin EP Impurity C 117678-38-3 马上询价
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Levofloxacin impurity 8/Defluoro Levofloxacin/(S)-Ofloxacin EP Impurity C 117620-85-6 马上询价
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Levofloxacin impurity 9/Ofloxacin R-Isomer/(R)-9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid 100986-86-5 马上询价
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Levofloxacin impurity 10/Descarboxyl Levofloxacin/(S)-Ofloxacin EP Impurity B/(S)-9-fluoro-3-methyl-10- (4-methylpiperazin-1-yl)-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinolin-7-one 178964-53-9 马上询价
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Levofloxacin impurity 11/Ethyl (S)-10-fluoro-3-methyl-7-oxo- 2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 431058-46-7 马上询价
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Levofloxacin impurity 12/(3S)-10-Fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid 117620-84-5 马上询价
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Levofloxacin impurity 13/Ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate 110548-06-6 马上询价
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Levofloxacin impurity 14/(R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid 110548-07-7 马上询价
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Levofloxacin impurity 15/Ethyl 3-ethoxy-2-(2,3,4,5-tetrafluorobenzoyl)acrylate 94714-58-6 马上询价
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