阿奇霉素，azithromycin-凯发网址登录

cas no:83905-01-5| chemical formula: c38h72n2o12|(2r,3s,4r,5r,8r,10r,11r,12s,13s,14r)-11-(((2s,3r,4s,6r)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2h-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-(((2r,4r,5s,6s)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2h-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one