In this case the monoid is called the bicyclic monoid and we can implement it as follows.    From Wordnik.com.  [Planet Haskell] Reference

In the main, these are bicyclic and tricyclic sesquiterpenes-hydrocarbons, alcohols, and carboxylic acids.    From Wordnik.com.  [4 Questions and Answers] Reference

The Camomila extract also contains a bicyclic acetylenic ether which causes some toxicity as a result of its spasmolitic properties.    From Wordnik.com.  [Chapter 12] Reference

The resins are nonvolatile mixtures of bicyclic terpene acids, esters, and related structures that are insoluble in water but soluble in organic solvents.    From Wordnik.com.  [Chapter 10] Reference

Here we report the mode of action of theonellamides, bicyclic peptides derived from marine sponges.    From Wordnik.com.  [Naturejobs - All Jobs] Reference

The project involves the development of a unified route to bicyclic heterocycles, and applications of the heterocyclic products in further chemistry.    From Wordnik.com.  [Naturejobs - All Jobs] Reference

We demonstrate the ribosomal synthesis of several naturally occurring backbone-cyclized peptides and a library based on a bicyclic scaffold, and we identify bioactive sequences by screening and deconvolution.    From Wordnik.com.  [Naturejobs - All Jobs] Reference

While shingles can develop in adolescents or adults of any age, it occurs predominantly in those 40 years of age and older. studies have demonstrated that FV-100, an orally available bicyclic nucleoside analogue, is more potent against VZV and can inhibit its replication substantially faster than any other antiviral agent currently approved for the treatment of shingles.    From Wordnik.com.  [GEN News Highlights] Reference