,3S,4R,5R,8R,10R,11R,12S, 13S,14R)-2-ethyl-3,4,10,13-tetra-hydroxy-3,5,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethy-lamino)-ß-D-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopent-decan-15-one expressed as tulathromycin equivalents
,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-éthyl– 3,4,10,13-tetra-hydroxy– 3,5,8,10,12,14-hexaméthyl-11-[[3,4,6-trideoxy-3-(diméthy-lamino)-β-D-xylo-hexopy-ranosyl]oxy]-1-oxa-6-azacyclopent-decan-15-one exprimé en équivalents tulathromycine