.alpha.-Norborneol 2-Norbornanol, endo- 2-endo-Norbornanol 497-36-9 Bicyclo[2.2.1]heptan-2-ol, endo- NSC149927 endo-2-Norbornanol endo-2-Norborneol endo-Bicyclo[2.2.1]heptan-2-ol endo-Norbornanol endo-Norborneol