1,4-Endomethylenecyclohexane 279-23-2 4-05-00-00258 (Beilstein Handbook Reference) AI3-51350 BRN 1900379 Bicyclo(2.2.1)heptane (9CI) Cyclohexane, 1,4-endo-methylene- EINECS 205-996-2 NORBORNANE NSC 91457 Norbornylane Norcamphane Norfenchane Norsantane