546-57-6

erythralosamine ERYTHROMYCIN IMPURITY I Erythromycin EP Impurity I Erythralosamine (Impurity I) Erythromycin EP Impurity I (Erythralosamine) Erythromycin Impurity 9(Erythromycin EP Impurity I) Erythromycin, 3-O-de(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)-10,11-didehydro-9-deoxo-6,11,12-trideoxy-6,9:9,12-diepoxy- (1S,4S,5R,8R,9S,10S,11R,12R,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-9-hydroxy-2,4,8,10,12,14-hexamethyl-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec-2-en-7-one Erythromycin EP Impurity I/Erthralosamine/(1S,4R,5R,8R,9S,10S,11R,12R,14R)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-9-hydroxy-2,4,8,10,12,14-hexamethyl-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec-2-en-7-o