K Ofuji, M Satake, T McMahon, J Silke, K J James, H Naoki, Y Oshima, T Yasumoto
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Two analogs of azaspiracid isolated from mussels, Mytilus edulis, involved in human intoxication in Ireland.
Two new analogs of azaspiracid, azaspiracid-2 and azaspiracid-3, were isolated from mussels collected at Arranmore Island, Ireland in 1997 as additional causes of human intoxication. Their structures were determined to be 8-methylazaspiracid and 22-demethylazaspiracid, respectively by NMR and negative ion FAB CID MS/MS experiments.