Oxalicpyridones A-D, 2-pyridone alkaloids from a marine-derived fungus Penicillium oxalicum suppressing proliferation and metastasis against small cell lung cancer
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To explore bioactive specialized metabolites from marine-derived fungi, four previously undescribed 2-pyridone alkaloids, oxalicpyridones A-D (1-4), two unreported tetramic acids, tolypocladenols G and H (5 and 6), together with five known 2-pyridone derivativ... ...
