N-((2S,3S,4S)-2-(((3R,4R,5S,6R,9R,10S,11S,12R,13S,15R,Z)-6-ethyl-4,5-dihydroxy-10-(((2R,4R,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,9,11,13,15-hexamethyl-8-oxo-7,16-dioxa-2-azabicyclo[11.2.1]hexadec-1-en-12-yl)oxy)-3-hydroxy-6-methyltetrahydro-2H-pyran-4-yl)-N-methylnitrous amide
