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CAS号: 612534-95-9 英文名称: Azithromycin Impurity 11 英文同义词: Azithromycin Impurity 11;C14,1″-Epoxy Azithromycin;Azithromycin Impurity 11（Azithromycin EP Impurity K）;Azithromycin EP Impurity K/(2S,4R,4a'R,5S,6S,7'R,8'S,9'R,10'R,13'R,15'R,16'R,17'S,17a'S)-16'-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-7'-ethyl-5,8',9',15'-tetrahydroxy-4-methoxy-4,6,8',10',11',13',15',17'-octamethy;Spiro[5H-1,3-dioxino[4,5-m][1,6]oxaazacyclopentadecine-2,2'-[2H]pyran]-5-one, 7-ethyloctadecahydro-5',8,9,15-tetrahydroxy-4'-methoxy-4',6',8,10,11,13,15,17-octamethyl-16-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-, (2S,4'R,4aR,5'S,6'S,7R,8S,9R,10R,13R,15R,16R,17S,17aS)- 中文名称: 阿奇霉素杂质K 中文同义词: 阿奇霉素杂质K;C14,1′′-环氧阿奇霉素(阿奇霉素E) 分子式: C38H70N2O13 分子量: 762.97 沸点 : 836.2±65.0 °C(Predicted) 密度 : 1.23±0.1 g/cm3(Predicted) 酸度系数(pKa): 13.27±0.70(Predicted)