QD180904

地红霉素 EP 杂质 D

Dirithromycin EP Impurity D

别名：(1R,2R,3R,6R,7S,8S,9R,10R,12R,13S,17S)-7-(((2R,4R,5S,6S)-4,5-dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-3-ethyl-2,10-dihydroxy-15-((2-methoxyethoxy)methyl)-2,6,8,10,12,17-hexamethyl-4,16-dioxa-14-azabicyclo[11.3.1]heptadecan-5-one