Synonyms: 3,6-Bicyclotylosin;4-Oxabicyclo[12.2.1]heptadecane, 3,6-bicyclotylosin deriv.; Stereoisomer of6-[[(6-deoxy-2,3-di-O-methyl-b-D-allopyranosyl)oxy]methyl]-15-[[3,6-dideoxy-4-O-(2,6-dideoxy-3-C-methyl-a-L-ribo-hexopyranosyl)-3-(dimethylamino)-b-D-glucopyranosyl]oxy]-5-ethyl-1-hydroxy-8,12,16-trimethyl-3,11-dioxo-4-oxabicyclo[12.2.1]heptadeca-7,9-diene-17-carboxaldehyde