Terpenes.

Enantioselective synthesis: natural products from chiral terpenes Ho, Tse-Lok 1992 Functional Copplymers of polyvinylpyrrolidone Engstrom, Jonas 2006 Terpenoids in plants Pridham.J.B 1967 Tetracyclic triterpenes Ourisson, G. 1964 The terpenes Simonsen, John Lionel 1957 The terpenes Simonsen, John Lionel 1931 The Terpenes Vol 2 J. L. Simonsen 1957 The Terpenes Vol 3 Sir John Simonsen 1961 The Terpenes Vol 4 Sir John Simonsen 1957 The terpenes Simonsen, J. L. 1951 The terpenes Simonsen, J. L. 1947 The terpenes Simonsen, J. L. 1947