(1998). BIOMIMETIC AND SYNTHETIC APPROACHES TO MARINE SPONGE ALKALOIDS DERIVED FROM BIS-PYRIDINE MACROCYCLES. A REVIEW. Organic Preparations and Procedures International: Vol. 30, No. 1, pp. 1-51.
No takes yet. Share an insight, caveat, or question.
Matzanke et al. (1998) studied this question.
Synapse has enriched one closely related paper. Consider it for comparative context: