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Eight new α-pyrone and γ-butenolide derivatives from the plant endophytic fungus Diaporthe sp. CCY4

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Five new α-pyrones, diaporpyrones G-K (1-5) and three new γ-butenolide derivatives, porbutenolides A-C (6-8), along with seven known compounds (9-15), were isolated from the culture extract of the endophytic fungus Diaporthe sp. CCY4. Their structures were e... ...