Erythromycin Anhydride,Impurity D;(1S,2R,3R,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-3-hydroxy-9-{[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahyd ;ro-2H-pyran-2-yl]oxy}-2,4,8,10,12,14-hexamethyl-6,15,16-trioxatricyclo[10.2.1.1]hexadecan-7-one (non-preferred name);Erythromycin,9-deoxo-6,12-dideoxy-6,9:9,12-diepoxy;ANHYDROERYTHROMYCIN A;EM 202;9-Deoxo-6,12-dideoxy-6,9:9,12-diepoxy-erythromycin;Erythromycin anhydride;Anhydroerythromycin;(1S,2R,3R,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-3-hydroxy-9-{[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahyd ;ro-2H-pyran-2-yl]oxy}-2,4,8,10,12,14-hexamethyl-6,15,16-trioxatricyclo[10.2.1.1]hexadecan-7-one;6,9,12-Anhydroerythromycin A;6,9:9,12-Diepoxy-9-deoxo-6,12-dideoxyerythromycin
−20°C