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CAS号: 76820-32-1 英文名称: 9a-aza-9a-homo Erythromycin A 英文同义词: Erythromycin A lactam;Azithromycin Impurity 33;Azithromycin Impurity 40;9a-aza-9a-homo Erythromycin A;9a-aza-9a-hoMo ErythroMycin A (~90%);(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-Dideoxy-3-C-Methyl-3-O-Methyl-α-L-ribo-hexopyranosyl)oxy]-2-ethyl-3,4,10-trihydroxy-3,5,8,10,12,14-hexaMethyl-11-[[3,4,6-trideoxy-3-(diMethylaMino)-β-D-xylo-hexopyranosyl]oxy]-1-o 中文名称: 阿奇霉素杂质40 中文同义词: 阿奇霉素杂质33;阿奇霉素杂质40 分子式: C37H68N2O13 分子量: 748.94142