(1)-(1alpha,2alpha,5alpha)-2,6,6-Trimethylbicyclo(3.1.1)heptan-3-one (1alpha,2alpha,5alpha)-2,6,6-Trimethylbicyclo(3.1.1)heptan-3-one 2,6,6-TRIMETHYLBICYCLO(3.1.1)HEPTAN-3-ONE 30517-87-4 547-60-4 Bicyclo(3.1.1)heptan-3-one, 2,6,6-trimethyl-, (1R,2S,5S)-rel-