161300-74-9 Acetamide, N-[3-[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]-1-methyl- 2-butenyl]-, [9R-[1E,3Z,5E,9R*(1R*,2E),10R*,11E,13E,14aR*,16aR*,17S*,19S*,20aS,20bR*)]- NSC680075 Superstolide B