527-75-3 6-(4-Dimethylamino-3-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-14-ethyl-7,12-dihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydro-pyran-2-yloxy)-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione AIDS-166750 AIDS166750 Erythromycin B, Berythromycin, 12-Deoxyerythromycin