title: Synthesis of steroidal cyclopropanes.
mesh_terms: D003521:Cyclopropanes / Q000138:chemical synthesis*; D003897:Desmosterol; D007810:Lanosterol; D008722:Methods; D013261:Sterols / Q000138:chemical synthesis*; D013265:Stigmasterol
chemical_list: D003521:Cyclopropanes; D013261:Sterols; D007810:Lanosterol; D003897:Desmosterol; D013265:Stigmasterol