Monoterpenes containing two ring structures that are joined either by bridgehead carbon atoms or fused ring structure.

Synonyms: Pinane Derivatives, Camphene Derivatives, Monoterpenes, Bicyclic, Derivatives, Camphene, Thujane Derivatives, Pinanes, Derivatives, Carane, Carane Derivatives, Derivatives, Pinane, Bicyclic Monoterpenes, 0, Thujanes, Derivatives, Thujane, Camphenes, Caranes