Tulathromycin

Tulathromycin;(2R,3R,6R,8R,9R,10S,11S,12R)-11-[[2,6-Dideoxy-3-C-methyl-3-O-methyl-4-C-[(propylamino)methyl]-a-L-ribo-hexopyranosyl]oxy]-2-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-8-hydroxy-3,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-b-D-xylo-hexopyranosyl]oxy]-1-oxa-4-azacyclotridecan-13-one;