References
- K. Shibata, “A Cyclopedia of Useful Plants and Plant Products,” Hokuryukan Co., Ltd., Tokyo, 1949, p. 122; A. F. Hill, “Economic Botany,” 2nd Ed., McGraw-Hill, New York, 1952, p. 231.
- R. Kanehira, “Formosan Trees,” Yokendo Ltd., Tokyo, 1936, p. 529.
- S. Fujita, R. Hayashi and Y. Fujita, Nippon Kagaku Kaishi, 1978, 315.
- V. Herout, “Aspects of Chemistry and Biochemistry,” ed. by T. W. Goodwin, Academic Press, London, 1971, p. 60; G. A. Cordell, Chem. Rev., 76, 425 (1976).