N-(4-(N-((2S, 3R, 4S, 6R)-2-(((2R, 3S, 4R, 5R, 8R, 10R, 11R, 12S, 13S, 14R)-2-ethyl-3, 4, 10-trihydroxy-13-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3, 5, 6, 8, 10, 12, 14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadecan-11-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)-N-methylsulfamoyl)phenyl)acetamide