Tsou, H R Biosynthetic origin of the carbon skeleton and oxygen atoms of the LL-F28249 alpha, a potent antiparasitic macrolide. [electronic resource] - The Journal of antibiotics Mar 1989 - 398-406 p. digital Publication Type: Journal Article ISSN: 0021-8820 Standard No.: 10.7164/antibiotics.42.398 doi Subjects--Topical Terms: Anti-Bacterial AgentsAntinematodal Agents--metabolismFermentationLactones--biosynthesisMacrolidesMagnetic Resonance SpectroscopyStreptomyces--metabolism