QE182071

红霉素乙基琥珀酸酯杂质 71

Erythromycin Ethylsuccinate Impurity 71

别名：(2S,3R,4S,6R)-4-(dimethylamino)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-4-methoxy-4,6-dimethyl-5-(stearoyloxy)tetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-6-methyltetrahydro-2H-pyran-3-yl ethyl succinate