From leaves of Leucadendron concinnum R. Br., Proteaceae: Hesse, Ann. 290, 314 (1896); Rapson, J. Chem. Soc. 1938, 282. Structure: Rapson, ibid. 1940, 1271; Perold, Pachler, Proc. Chem. Soc. London 1964, 62; eidem, J. Chem. Soc. C 1966, 1918.
This monograph has been retired and is no longer subject to revision or update.