Lyngbyapeptin A 1, a novel tetrapeptide containing the rare 3-methoxy-2-but
enoyl moiety was isolated from the cyanobacterium Lyngbya bouillonii, colle
cted in Papua New Guinea. Its structure (without stereochemistry) was estab
lished by mass spectral- and two-dimensional NMR studies. (C) 1999 Elsevier
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