9-Deoxo-9-[(E)-[(3-acetoxy-2-hydroxypropyl)oxy]imino]erythromycin
9-Deoxo-9-[(E)-[(3-acetoxy-2-hydroxypropyl)oxy]imino]erythromycin ??
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9-Deoxo-9-[(E)-[(3-acetoxy-2-hydroxypropyl)oxy]imino]erythromycin ?? ??
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