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2. Horn, D.H.S., in “Naturally Occurring Insecticides,” Edited by M. Jacobson and D.G. Crosby, M. Dekker, New York, N.Y., 1971, p. 333.
3. Rees, H.H., in “Aspects of Terpenoid Chemistry and Biochemistry,” Edited by T.W. Goodwin, Academic Press, London, England, 1971, p. 181.
4. Thompson, M.J., J.A. Svoboda, J.N. Kaplanis, and W.E. Robbins, Proc. R. Soc. Lond. B108:203 (1972).
5. Thompson, M.J., J.N. Kaplanis, W.E. Robbins, and J.A. Svoboda, Adv. Lipid. Res. 11:219 (1973).