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Chemical structures of coumarins: alternariol (35) and its analogue 36 isolated from the mangrove endophytic fungus 2240. Lamellarins D (37), M (38) and K (39) are obtained from the marine molluscs of the genus Lamellaria. Aspergiolides A (40) and B (41) are extracted from the marine fungus, Aspergillus galucus.
