9-{O-[(2-甲氧基乙氧基)-甲基]肟基}红霉素

5-(3,4,6-Trideoxy-3-Dimethylamino-Beta-D-Xylo-Hexopyranosyloxy)-3-(2,6-Dideoxy-3-C-Methyl-3-O-Methyl-Alpha-L-Ribo-Hexopyranosyloxy)-6,11,12-Trihydroxy-9-(2-Methoxyethoxy)Methoxyimino-2,4,6,8,10,12-Hexamethylpentadecan-13-Olide