*  RCSB PDB - FUA Ligand Summary Page
The PDB archive contains information about experimentally-determined structures of proteins, nucleic acids, and complex assemblies. As a member of the wwPDB, the RCSB PDB curates and annotates PDB data according to agreed upon standards. The RCSB PDB also provides a variety of tools and resources. Users can perform simple and advanced searches based on annotations relating to sequence, structure and function. These molecules are visualized, downloaded, and analyzed by users who range from students to specialized scientists.
*  glaucasterol Summary Report | CureHunter
glaucasterol: from soft coral Sarcophyton glaucum; natural C27 sterol with cyclopropane ring in side chain; structure given in first source
*  List of MeSH codes (D04) - Wikipedia
... cholestadienes MeSH D04.808. --- cholestadienols MeSH D04.808. --- dehydrocholesterols MeSH ...