(2E,4E,6E)-7-[3-hydroxy-5-[(4E,6E)-3-methoxy-4-methyl-8-[2-[2,4,5-trih ydroxy-5-methyl-6-[(1E,3E)-penta-1,3-dienyl]oxan-2-yl]butanoylamino]oc ta-4,6-dien-2-yl]oxolan-2-yl]hepta-2,4,6-trienoic acid

L-681,217 is a glycolipid-type antibiotic related to the efrotomycin class, isolated from a Streptomyces sp.. L 681,217 shows broad spectrum antibiotic activity against Gram positive and Gram negative bacteria. L-681,217 inhibits bacterial protein synthesis at the elongation stage, its target being elongation factor Tu (EF-Tu).

L 681,217 is a glycolipid-type antibiotic related to the efrotomycin class, isolated from a Streptomyces sp.. L 681,217 also shows broad spectrum antibiotic activity against Gram positive and Gram negative bacteria. L-681,217 inhibits bacterial protein synthesis at the elongation stage, its target being elongation factor Tu (EF-Tu).