Oxacyclotetradecane-2,10-dione,14-ethyl-4,6,7,12-tetrahydroxy-3,5,7,9,11,13-hexamethyl-,(3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)- (8CI); Oxacyclotetradecane, erythronolideA deriv.; (-)-Erythronolide B; Erythronolide B
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