Elseveir: search=synthesis AND cineole Formation of reactive tricyclic intermediates via the intramolecular cyclopropanation of dihydropyrans. Synthesis of eucalyptol Tetrahedron Letters, Volume 27, Issue 19, 1986, Pages 2075-2078 Julian Adams, and Michel Belley Synthesis, in vitro percutaneous absorption and phototoxicity of new benzylidene derivatives of 1,3,3-trimethyl-2-oxabicyclo[2.2.2]octan-6-one as potential UV sunscreens International Journal of Pharmaceutics, Volume 161, Issue 1, 9 February 1998, Pages 65-73 E. Mariani, C. Neuhoff, A. Bargagna, F. Bonina, M. Giacchi, G. De Guidi and A. Velardita Plant Science: search=cineole none searc= eucalyptol none TOXLINE search=cineole refered me to INCHEM and MSDS which I already have