p. 4454 - 4459
(2007/10/02)(+/-)-3-acetyl-7α-hydroxy-1βH,5βH-bicyclo<3.3.0>oct-2-ene
(+/-)-3-acetylbicyclo<3.3.0>oct-2-en-7-one
7,7-(2,2-dimethylpropylenedioxy)-3β-ethynyl-3α-hydroxy-1βH,5βH-bicyclo<3.3.0>octane
C13H20O3
7α-acetoxy-3-acetyl-1βH,5βH-bicyclo<3.3.0>oct-2-ene