Synonyms: Acetamide,N-[(1R,2S,3R)-3-[(1E,3Z,5E,9R,10R,11E,13E,14aR,16aR,17S,19S,20aR,20bR)-17-[(aminocarbonyl)oxy]-9,10,14a,16a,17,18,19,20,20a,20b-decahydro-19-methoxy-3,10,13,20b-tetramethyl-7-oxo-7H-naphth[2,1-h]oxacyclohexadecin-9-yl]-2-hydroxy-1-methylbutyl]-