Pseurotin A₁ and A₂, two new 1-oxa-7-azaspiro[4.4]non-2-ene-4,6-diones from the holothurian-derived fungus Aspergillus fumigatus WFZ-25

Pseurotin A₁ and A₂, two new 1-oxa-7-azaspiro[4.4]non-2-ene-4,6-diones from the holothurian-derived fungus <i>Aspergillus fumigatus</i> WFZ-25 Pseurotin, a New Metabolite of <i>Pseudeurotium ovalis</i> S<scp>TOLK</scp> Having an Unusual Hetero‐Spirocyclic System. (Preliminary Communication) New secondary metabolites produced by the phytopathogenic fungus Wilsonomyces carpophilus Seven new prenylated indole diketopiperazine alkaloids from holothurian-derived fungus Aspergillus fumigatus Seven new prenylated indole diketopiperazine alkaloids from holothurian-derived fungus Aspergillus fumigatus Protuboxepins A and B and Protubonines A and B from the Marine-Derived Fungus <i>Aspergillus</i> sp. SF-5044 Metabolites Produced by the Endophytic Fungus Aspergillus fumigatus from the Stem of Erythrophloeum fordii Oliv. Novoamauromine and ent-Cycloechinulin: Two New Diketopiperazine Derivatives from Aspergillus novofumigatus Protuboxepins A and B and Protubonines A and B from the Marine-Derived Fungus Aspergillus sp. SF-5044 Metabolites Produced by the Endophytic Fungus Aspergillus fumigatus from the Stem of Erythrophloeum fordii Oliv.