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YIM\u201080379. Their structures were established on the basis of spectroscopic analysis, CD spectra, and the quantum\u2010chemical ECD calculation. Pyridinols <jats:bold>3<\/jats:bold>\u2013<jats:bold>5<\/jats:bold> were isolated from a natural source for the first time. Compounds <jats:bold>1<\/jats:bold> and <jats:bold>2<\/jats:bold> showed weak antibacterial activities against <jats:italic>Pseudomonas aeruginosa, Enterobacter aerogenes<\/jats:italic>, and <jats:italic>Escherichia coli<\/jats:italic> with <jats:italic>MIC<\/jats:italic> values of 20\u201348\u2005\u03bc<jats:sc>M<\/jats:sc>. Compound <jats:bold>2<\/jats:bold> showed weak antimicrobial activities against <jats:italic>Candida albicans<\/jats:italic> and <jats:italic>Staphylococcus aureus<\/jats:italic> with <jats:italic>MIC<\/jats:italic> values of 24 and 48\u2005\u03bc<jats:sc>M<\/jats:sc>, respectively.<\/jats:p>","DOI":"10.1002\/cbdv.201200086","type":"journal-article","created":{"date-parts":[[2013,2,19]],"date-time":"2013-02-19T00:39:42Z","timestamp":1361234382000},"page":"281-287","source":"Crossref","is-referenced-by-count":22,"title":["New Pyran\u20102\u2010ones from Alkalophilic Actinomycete, <i>Nocardiopsis alkaliphila<\/i> sp. Nov. 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