N-((2S,3R,4S,6R)-2-(((1R,2R,3R,6R,7S,8S,9R,10R,12R,13S,15R,17S)-3-ethyl-2,10-dihydroxy-7-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-15-((2-methoxyethoxy)methyl)-2,6,8,10,12,17-hexamethyl-14-nitroso-5-oxo-4,16-dioxa-14-azabicyclo[11.3.1]htadecan-9-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)-N-methylnitrous amide
