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Azithromycin Aglycon/(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10,11,13- pentahydroxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6- azacyclopentadecan-15-one 117693-42-2 马上询价
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Roxithromycin EP Impurity B/(3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-4,7,12,13-tetrahydroxy-10-(((2-methoxyethoxy)methoxy)imino)-3,5,7,9,11,13-hexamethyloxacyclotetr 214902-82-6 马上询价
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Roxithromycin EP Impurity C/(9E)-Erythromycin A Oxime/(3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethylt 111321-02-9 马上询价
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Roxithromycin EP Impurity D/(3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,Z)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)ox 134931-00-3 马上询价
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Roxithromycin EP Impurity F/(3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-4-(((2R,4R,5S,6S)-4,5-dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-10- 118267-18-8 马上询价
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Roxithromycin EP Impurity G/(3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)ox 425365-64-6 马上询价
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Roxithromycin EP Impurity I/(3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3- ((2-methoxyethoxy)methoxy)-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahy 425365-66-8 马上询价
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Erythromycin EP Impurity A/(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3-(hydroxymethyl)-5,7,9,11,13-pentamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyrano 82230-93-1 马上询价
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Erythromycin EP Impurity B/N-Demethyl Erythromycin A/(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetr 992-62-1 马上询价
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Erythromycin EP Impurity C/Erythromycin E/(2S,4aR,4'R,5'S,6'S,7R,8S,9R,10R,12R,14R,15R,16S,16aS)-15-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-7-ethyl-5',8,9,14-tetrahydroxy-4'-methoxy-4',6',8,10,12,14,16-heptamethyl 41451-91-6 马上询价
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Erythromycin EP Impurity D/Anhydroerythromycin A/(1S,2R,3R,4S,5R,8R,9S,10S,11R,12R,14R)-9- [(2,6-dideoxy-3-C-methyl-3-O-methyl-α-Lribo-hexopyranosyl)oxy]-5-ethyl-3-hydroxy- 2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3- (dimethylamino)-β-D-xylo-hexopyra 23893-13-2 马上询价
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Erythromycin EP Impurity E/Erythromycin A Enol Ether/(2R,3R,4S,5R,8R,9S,10S,11R,12R)-9-[(2,6-dideoxy-3- C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]- 5-ethyl-3,4-dihydroxy-2,4,8,10,12,14-hexamethyl- 11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylohexopyr 33396-29-1 马上询价
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Erythromycin EP Impurity F/(2R,3R,6R,7S,8S,9R,10R)-3-((2R,3R)-2,3-dihydroxypentan-2-yl)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-7-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,6 105882-69-7 马上询价
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Erythromycin EP Impurity H/Erythromycin N-Oxide/(2S,3R,4S,6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclote 992-65-4 马上询价
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Erythromycin EP Impurity I/Erthralosamine/(1S,4R,5R,8R,9S,10S,11R,12R,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-9-hydroxy-2,4,8,10,12,14-hexamethyl-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec-2-en-7-o 546-57-6 马上询价
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Erythromycin EP Impurity L/N-((2S,3R,4S,6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy) 127955-44-6 马上询价
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