12-[2-(dimethylamino)ethoxymethoxy]-6-[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,13-dihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl)oxy-10-methoxyimino-3,5,7,9,11,13-hexamethyl-oxacyclotetradecan-2-one

伪红霉素 A 烯醇醚

红霉素A烯醇醚

环酯红霉素

开环红霉素