3-O-Acetyl-3-O-de(2,6-dideoxy-3-C-methyl-3-O-methyl-alpha-L-ribo-hexopyranosyl)erythromycin 9-oxime 5-O-Desosaminylerythronolide A oxime 53066-45-8 Erythromycin, 3-O-acetyl-3-O-de(2,6-dideoxy-3-C-methyl-3-O-methyl-alpha-L-ribo-hexopyranosyl)-, 9-oxime