K. Fujii et al., COMPARATIVE-STUDY OF TOXIC AND NONTOXIC CYANOBACTERIAL PRODUCTS - NOVEL PEPTIDES FROM TOXIC NODULARIA-SPUMIGENA AV1, Tetrahedron letters, 38(31), 1997, pp. 5525-5528
Two types of novel peptides, cyclic peptides, nodulapeptins A (1) and
B (2) and linear peptides, spumigins A similar to C (3 similar to 6),
were isolated together with nodularin from toxic Nodularia spumigena A
V1. Their structures were determined by 2D-NMR techniques, the advance
d Marfey's method and MS/MS experiments. (C) 1997 Elsevier Science Ltd
.