1. Friedländer, P. (1909): Chem. Ber. 42, 765
2. Mörner, C.Th. (1913): Z. Physiol. Chem. 88, 138
3. Siuda, J.F.; De Bernadis, J.F. (1973): Lloydia 36, 107
4. Gribble, G.W., unpublished compilation
5. For a comprehensive survey of all natural organohalogens through mid-1994, see Gribble, G.W. (1996): Prog. Chem. Org. Nat. Prod. 68, 1