Tulathromycin Impurity 2

Chemical Name: (2S,3R,4R,5S,8S,10S,12R,13R,14S)-11-(((2R,3S,4R,6S)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,5,10-tetrahydroxy-13-(((2S,4S,5R,6R)-5-hydroxy-4-methoxy-4,6-dimethyl-5-((propylamino)methyl)tetrahydro-2H-pyran-2-yl)oxy)-3,8,10,12,14-pentamethyl-1-oxa-6-azacyclopentadecan-15-one