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Cytotoxic substances produced by a fungal strain from a sponge: physico-chemical properties and structures.
Five novel metabolites, trichodenones A-C (1-3), harzialactone A (4) and B (5), have been isolated together with known R-mevalonolactone (6) from the culture broth of a strain of Trichoderma
Antineoplastic agents. 551. Isolation and structures of bauhiniastatins 1-4 from Bauhinia purpurea.
Bioassay-guided separation of extracts prepared from the leaves, stems, and pods of Bauhinia purpurea led to the isolation of four new dibenz[b,f]oxepins named bauhiniastatins 1-4, as well as the known and related pacharin as cancer cell growth inhibitors.
Antitumor agents. 261. 20(S)-protopanaxadiol and 20(s)-protopanaxatriol as antiangiogenic agents and total assignment of (1)H NMR spectra.
This report is the first to completely assign the (1)H NMR signals of 2, together with correction of data for 1 from prior reports, and report the complete and unambiguous assignment of 1 and 2, based on analyses of 2D NMR spectra.
Occurrence of a pig respiratory disease associated with swine influenza A (H1N2) virus in Tochigi Prefecture, Japan.
It is considered that Japanese SIV (H1N2) has established an independent stable lineage and participated in infecting pig populations as one of the factors of the pig respiratory disease complex and consistent surveillance would contribute to clarifying the prevalence of dominant SIVs.