N-(((2S,3S,4R,6R)-6-(((2S,3S,6R,8R,9R,10S,11S,12R)-2-((2R,3R)-2,3-dihydroxypentan-2-yl)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-8-hydroxy-3,6,8,10,12-pentamethyl-13-oxo-1-oxa-4-azacyclotridecan-11-yl)oxy)-3-hydroxy-4-methoxy-2,4-dimethyltetrahydro-2H-pyran-3-yl)methyl)-N-propylnitrous amide