Tylosin Tartrate - Impurity B

112457-10-0

(1R,2S,3S,4R,8R,9R,10E,12E,15S,16R)-2-(((2R,3R,4R,5S,6R)-5-(((2S,4R,5S,6S)-4,5-Dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-8-ethyl-4,16-dihydroxy-9-((((2R,3R,4R,5R,6R)-5-hydroxy-3,4-dimethoxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)methyl)-3,11,15-trimethyl-7-oxabicyclo[13.2.1]octadeca-10,12-diene-6,14-dione; (1R,2S,3S,4R,8R,9R,10E,12E,15S,16R)-9-[[(6-Deoxy-2,3-di-O-methyl-β-D-allopyranosyl)oxy]methyl]-2-[[3,6-dideoxy-4-O-(2,6-dideoxy-3-C-methyl-α-L-ribo-hexopyranosyl)-3-(dimethylamino)-β-D-glucopyranosyl]oxy]-8-ethyl-4,16-dihydroxy-3,11,15-trimethyl-7-oxabicyclo[13.2.1]octadeca-10,12-diene-6,14-dione;